Question 257760
given: 4x+6 over 2 = 9 
prove: x=3

(4*x + 6)/2 = 9

Multiply both sides of the equation by 2:

2*(4*x + 6)/2 = 9*2 
4*x + 6 = 18

Subtract 6 from both sides:

4*x = 12

Divide both sides by 4:

x = 3