6+4(x+3)=42

Solution for 6+4(x+3)=42 equation:

Simplifying
6 + 4(x + 3) = 42

Reorder the terms:
6 + 4(3 + x) = 42
6 + (3 * 4 + x * 4) = 42
6 + (12 + 4x) = 42

Combine like terms: 6 + 12 = 18
18 + 4x = 42

Solving
18 + 4x = 42

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 4x = 42 + -18

Combine like terms: 18 + -18 = 0
0 + 4x = 42 + -18
4x = 42 + -18

Combine like terms: 42 + -18 = 24
4x = 24

Divide each side by '4'.
x = 6

Simplifying
x = 6