With or without tiles simplify and solve each equation below for x. record your work. a.3x-7=2

x=3

Step-by-step explanation:

Addition property of equality is adding the same number to both sides of an equation does not change the equation.

a+c=b+c

3x-7=2

add 7 both sides of an equation.

3x-7+7=2+7

simplify.

3x=9

divide by 3 both sides of an equation.

3x/3=9/3

simplify.

9/3=3

3*3=9

9/3=3

x=3 and 3=x

Hope this helps!

Thanks!

it is a reproduction.

step-by-step explanation: