Question

What is the justification for step 2 in the solution process?

12y − 40 − 4y = 6y − 18
Step 1: 8y − 40 = 6y − 18
Step 2: 2y − 40 = -18

Answer 1

Subtraction Property of equality

Answer 2

When we bring 6y from right side to left side it’s sign get changed and 8y-6y=2y.