Chapter 3

Prealgebra and Introductory Algebra · 567 exercises

Problem 21

Simplify. $$\frac{1}{3}-\frac{1}{4}-\frac{1}{5}$$

4 step solution

Problem 21

Simplify. $$-\frac{1}{2}+\frac{3}{8} \div\left(-\frac{3}{4}\right)$$

4 step solution

Problem 22

Add. $$-9+8$$

3 step solution

Problem 22

Multiply. $$-24(3)$$

3 step solution

Problem 22

Simplify. $$\frac{5}{16}+\frac{1}{8}-\frac{1}{2}$$

4 step solution

Problem 22

Simplify. $$-\frac{2}{3}\left(\frac{5}{8}\right) \div \frac{2}{7}$$

3 step solution

Problem 23

Add. $$(-5)+(-10)$$

2 step solution

Problem 23

Multiply. $$(-8)(-26)$$

3 step solution

Problem 23

Simplify. $$\frac{1}{2}+\left(-\frac{3}{8}\right)+\frac{5}{12}$$

5 step solution

Problem 23

Simplify. $$\frac{1}{2}-\left(\frac{3}{4}-\frac{3}{8}\right) \div \frac{1}{3}$$

3 step solution

Problem 24

Add. $$(-3)+(-17)$$

2 step solution

Problem 24

Multiply. $$(-4)(-35)$$

3 step solution

Problem 24

Simplify. $$-\frac{3}{8}+\frac{3}{4}-\left(-\frac{3}{16}\right)$$

3 step solution

Problem 24

Simplify. $$\frac{3}{8} \div\left(-\frac{1}{2}\right)^{2}+2$$

3 step solution

Problem 25

Add. $$-7+7$$

3 step solution

Problem 25

Place the correct symbol, $<$ or $>,$ between the two numbers. $$-2 \quad-5$$

3 step solution

Problem 25

Multiply. $$9(-27)$$

3 step solution

Problem 25

Simplify. $$3.4+(-6.8)$$

3 step solution

Problem 25

Simplify. $$5-|2-8|$$

3 step solution

Problem 26

Add. $$-11+11$$

2 step solution

Problem 26

Place the correct symbol, $<$ or $>,$ between the two numbers. $$-6 \quad-1$$

3 step solution

Problem 26

Multiply. $$8(-40)$$

3 step solution

Problem 26

Simplify. $$-4.9+3.27$$

3 step solution

Problem 26

Simplify. $$|6+3(-4)|$$

2 step solution

Problem 27

Add. $$(-15)+(-6)$$

3 step solution

Problem 27

Multiply. $$-5 \cdot(23)$$

2 step solution

Problem 27

Simplify. $$-8.32+(-0.57)$$

3 step solution

Problem 27

Simplify. $$-|-7|+9^{2}$$

4 step solution

Problem 28

Add. $$(-18)+(-3)$$

2 step solution

Problem 28

Multiply. $$-6 \cdot(38)$$

3 step solution

Problem 28

Simplify. $$-3.5+7$$

2 step solution

Problem 28

Simplify. $$|8|-|-2-5|$$

4 step solution

Problem 29

Add. $$0+(-14)$$

3 step solution

Problem 29

Place the correct symbol, $<$ or $>,$ between the two numbers. $$-42 \quad 27$$

3 step solution

Problem 29

Multiply. $$-7(-34)$$

4 step solution

Problem 29

Simplify. $$-4.8+(-3.2)$$

2 step solution

Problem 29

Simplify. $$2|2-6|+4$$

3 step solution

Problem 30

Add. $$-19+0$$

3 step solution

Problem 30

Multiply. $$-4(-51)$$

3 step solution

Problem 30

Simplify. $$6.2+(-4.29)$$

2 step solution

Problem 30

Simplify. $$\left|24 \div(-2)^{3}\right|-10$$

4 step solution

Problem 31

Add. $$73+(-54)$$

3 step solution

Problem 31

Multiply. $$4 \cdot(-8) \cdot 3$$

2 step solution

Problem 31

Simplify. $$\|-7|-|-3||$$

3 step solution

Problem 31

Simplify. $$-4.6+3.92$$

3 step solution

Problem 32

Add. $$-89+62$$

3 step solution

Problem 32

Place the correct symbol, $<$ or $>,$ between the two numbers. $$-27 \quad-39$$

3 step solution

Problem 32

Multiply. $$5 \cdot 7 \cdot(-2)$$

2 step solution

Problem 32

Simplify. $$5-2\left|(-3)^{2}-8\right|$$

4 step solution

Problem 32

Simplify. $$7.2+(-8.42)$$

3 step solution

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