Home > CCAA > Chapter 3 Unit 2 > Lesson CC2: 3.2.2 > Problem3-47

3-47.

Rewrite each of the following expressions using only addition. Then simplify the expression.

1. $5(-2)-3$

$5(-2)+(-3)=-13$

1. $7.69-(2.5)(4)$

Circling terms first will be helpful.

1. $-7+-3-(-5)$

The equivalent addition expression is $-7+(-3)+5$.
Remember to simplify.

1. $(4)(25)-300$

Remember to use the Order of Operations.