Question

Solve 3x + 7 = 2x - 9. Write a justification statement for each step.

Answer 1

X=16

Explanation:

Subtract

2

x

from both sides of the equation.

3

x

+

7

−

2

x

=

−

9

Subtract

2

x

from

3

x

.

x

+

7

=

−

9