Problem 16 - Elementary Algebra

Question

For the following problems, use the order of operations to find each value. $$6(4-1)+8(3+7)-20$$

Step-by-Step Solution

Answer

Answer: The value of the given expression is $$78$$.

Step 1: Parentheses

Begin by solving the expressions inside the parentheses: $$6(4-1)+8(3+7)-20$$ $$(6(3)+8(10))-20$$

Step 2: Multiplication

Now, proceed with the multiplication: $$6 \times 3 + 8 \times 10 - 20$$ $$18+80-20$$

Step 3: Addition and Subtraction

Finally, perform addition and subtraction operations from left to right: $$18+80-20$$ $$98-20$$ $$78$$ The value of the given expression is $$78$$.