7x+14=77 what is x?

1 answer

To solve for x, we need to isolate x on one side of the equation.

First, we subtract 14 from both sides of the equation:
7x + 14 - 14 = 77 - 14
7x = 63

Next, we divide both sides by 7 to solve for x:
7x/7 = 63/7
x = 9

Therefore, x = 9.