2(2x+2)-7=21

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Solution for 2(2x+2)-7=21 equation: 


Simplifying
2(2x + 2) + -7 = 21

Reorder the terms:
2(2 + 2x) + -7 = 21
(2 * 2 + 2x * 2) + -7 = 21
(4 + 4x) + -7 = 21

Reorder the terms:
4 + -7 + 4x = 21

Combine like terms: 4 + -7 = -3
-3 + 4x = 21

Solving
-3 + 4x = 21

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 4x = 21 + 3

Combine like terms: -3 + 3 = 0
0 + 4x = 21 + 3
4x = 21 + 3

Combine like terms: 21 + 3 = 24
4x = 24

Divide each side by '4'.
x = 6

Simplifying
x = 6

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