Chapter 1

Solve each equation. Check your solutions. \(|x+4|+3=17\)

Simplify each expression. $$ 2 x+9 y+4 z-y-8 x $$

PREREQUISITE SKILL Evaluate each expression if \(a=2, b=-\frac{3}{4},\) and \(c=1.8 .(\text { lesson } 1-1)\) $$ -9(a-6) $$

Simplify each expression. $$ 4(2 a+5 b)-3(4 b-a) $$

Evaluate each expression if \(a=3, b=-2,\) and \(c=1.2 .(\text { lesson } 1-1)\) \(a-[b(a-c)]\)

Evaluate each expression if \(a=3, b=-2,\) and \(c=1.2 .(\text { lesson } 1-1)\) \(c^{2}-a b\)

PREREQUISITE SKILL Identify the additive inverse for each number or expression. 25

PREREQUISITE SKILL Identify the additive inverse for each number or expression. \(\frac{1}{4}\)

PREREQUISITE SKILL Identify the additive inverse for each number or expression. \(-3 x\)

PREREQUISITE SKILL Identify the additive inverse for each number or expression. \(5-6 y\)