(3x+6)+(4x-12)=60

Solution for (3x+6)+(4x-12)=60 equation:

Simplifying
(3x + 6) + (4x + -12) = 60

Reorder the terms:
(6 + 3x) + (4x + -12) = 60

Remove parenthesis around (6 + 3x)
6 + 3x + (4x + -12) = 60

Reorder the terms:
6 + 3x + (-12 + 4x) = 60

Remove parenthesis around (-12 + 4x)
6 + 3x + -12 + 4x = 60

Reorder the terms:
6 + -12 + 3x + 4x = 60

Combine like terms: 6 + -12 = -6
-6 + 3x + 4x = 60

Combine like terms: 3x + 4x = 7x
-6 + 7x = 60

Solving
-6 + 7x = 60

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 7x = 60 + 6

Combine like terms: -6 + 6 = 0
0 + 7x = 60 + 6
7x = 60 + 6

Combine like terms: 60 + 6 = 66
7x = 66

Divide each side by '7'.
x = 9.428571429

Simplifying
x = 9.428571429