# 4.01 Review: One-step equations

## Interactive practice questions

By substituting into the equation, identify whether the following statements are true or false.

a

$x=6$x=6 is a solution for the equation $8x=51$8x=51.

True

A

False

B

True

A

False

B
b

$x=4$x=4 is a solution for the equation $2x=2\times4$2x=2×4.

True

A

False

B

True

A

False

B
c

$x=19$x=19 is a solution for the equation $\frac{x}{2}=8$x2=8.

True

A

False

B

True

A

False

B
d

$x=24$x=24 is a solution for the equation $\frac{x}{3}=8$x3=8.

True

A

False

B

True

A

False

B
Easy
Approx a minute

Solve: $21=x+13$21=x+13

Solve: $5x=45$5x=45

Solve for $n$n.

$4\times n=20$4×n=20