4x+2(x+-3)=30

Solution for 4x+2(x+-3)=30 equation:

Simplifying
4x + 2(x + -3) = 30

Reorder the terms:
4x + 2(-3 + x) = 30
4x + (-3 * 2 + x * 2) = 30
4x + (-6 + 2x) = 30

Reorder the terms:
-6 + 4x + 2x = 30

Combine like terms: 4x + 2x = 6x
-6 + 6x = 30

Solving
-6 + 6x = 30

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 + 6x = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 6x = 30 + 6
6x = 30 + 6

Combine like terms: 30 + 6 = 36
6x = 36

Divide each side by '6'.
x = 6

Simplifying
x = 6