91Ó°ÊÓ

Solve the equation. Check your solution.

$3x=27$

Evaluate the expression using the distributive property and mental math.$8  (7.02)$

Solve the equation. Check your solution.

$x+3.8=5.2$

Solve the equation. Check your solution.

$y+0.6=-1$

Use the distributive property to write an equivalent variable expression.

$5(4k+9)$

Error Analysis Describe and correct the error in solving $x+8=10$.

Identify the property illustrated by the statement${\text{z}}^4 · 1  =  {\text{z}}^4$.

Error Analysis Describe and correct the error in solving$x+8=10$.

Simplify the expression.

$x+6+11$

Evaluate the expression. Justify each of your steps.

$5\left(-3\right)\left(12\right)$