7x+3(4x+2)=158

Solution for 7x+3(4x+2)=158 equation:

Simplifying
7x + 3(4x + 2) = 158

Reorder the terms:
7x + 3(2 + 4x) = 158
7x + (2 * 3 + 4x * 3) = 158
7x + (6 + 12x) = 158

Reorder the terms:
6 + 7x + 12x = 158

Combine like terms: 7x + 12x = 19x
6 + 19x = 158

Solving
6 + 19x = 158

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 + 19x = 158 + -6

Combine like terms: 6 + -6 = 0
0 + 19x = 158 + -6
19x = 158 + -6

Combine like terms: 158 + -6 = 152
19x = 152

Divide each side by '19'.
x = 8

Simplifying
x = 8