### Home > CC2 > Chapter Ch5 > Lesson 5.3.3 > Problem5-124

5-124.

Evaluate each expression.

1. $\frac{1}{2}(5+13)−4·5$

First, simplify the terms in parentheses, then exponents, the terms that are multiplied or divided, and finally the terms that are added or subtracted.

$-11$

1. $(5+11)-(24-15)·(3)$

See part (a).

1. $6^2+3·7−9\div3$

See part (a).

$54$