91Ó°ÊÓ

In the following exercise, simplify each expression.

$34+\left(-19\right)$

In the following exercise, simplify each expression.

$-14+\left(-12\right)+4$

In the following exercise, simplify each expression.

$-17+\left(-18\right)+6$

In the following exercise, simplify each expression.

$19+2\left(-3+8\right)$

In the following exercise, simplify each expression.

$24+3\left(-5+9\right)$

In the following exercise, simplify each expressions.

(a) $13-7$

(b) role="math" localid="1644741992011" $-13-\left(-7\right)$

(c) $-13-7$

(d)$13-\left(-7\right)$

In the following exercises, find the prime factorization.

78

In the following exercise, simplify each expressions.

(a) $15-8$

(b) $-15-\left(-8\right)$

(c)$-15-8$

(d)$15-\left(-8\right)$

In the following exercise, simplify each expressions.

$-17-42$

In the following exercise, simplify each expressions.

$-58-\left(-67\right)$