Question

How do u slove for 3x-6=15​

Answer 1

x=7

Explanation:

3x-6+6=15+6

3x=21

3x/3=21/3

x=7

Answer 2

Add 6 on both sides, canceling out that -6

3x = 21

Divide both sides by 3 to isolate that variable and get your answer

x = 7.