Question

Hello can someone help me with this please

Answer 1

Below

Explanation:

x - 6 = 12 add 6 to both sides of the equation

x - 6 + 6 = 12 + 6 simplify

x = 18

3x-1 = 11 add 1 to both sides of the equation

3x -1 + 1 = 11 + 1

3x = 12 now divide both sides by 3

3x/3 = 12 / 3 simplify

x = 4