91Ó°ÊÓ

Add. $$ -13+8+(-10)+(-27) $$

Simplify. See Examples 1 through \(10\). $$ 12-[7-(3-6)]+(2-3)^{3} $$

Solve. $$ \frac{y}{-18}=1098 $$

Evaluate \(x-y\) for the given replacement values. $$ x=8 \text { and } y=-23 $$

Solve. Explain the differences between an equation and an expression.

Multiply or divide as indicated. See Examples 1 through 14. $$ 4(-10)(-3) $$

Simplify. $$ -(-33) $$

Add. $$ -13+8+(-10)+(-27) $$

Solve. Explain the differences between the addition property of equality and the multiplication property of equality.

Multiply or divide as indicated. See Examples 1 through 14. $$ 6(-5)(-2) $$