3(x+1)+8(x+1)=144

Solution for 3(x+1)+8(x+1)=144 equation:

Simplifying
3(x + 1) + 8(x + 1) = 144

Reorder the terms:
3(1 + x) + 8(x + 1) = 144
(1 * 3 + x * 3) + 8(x + 1) = 144
(3 + 3x) + 8(x + 1) = 144

Reorder the terms:
3 + 3x + 8(1 + x) = 144
3 + 3x + (1 * 8 + x * 8) = 144
3 + 3x + (8 + 8x) = 144

Reorder the terms:
3 + 8 + 3x + 8x = 144

Combine like terms: 3 + 8 = 11
11 + 3x + 8x = 144

Combine like terms: 3x + 8x = 11x
11 + 11x = 144

Solving
11 + 11x = 144

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-11' to each side of the equation.
11 + -11 + 11x = 144 + -11

Combine like terms: 11 + -11 = 0
0 + 11x = 144 + -11
11x = 144 + -11

Combine like terms: 144 + -11 = 133
11x = 133

Divide each side by '11'.
x = 12.09090909

Simplifying
x = 12.09090909