7x-2(-x+2)=68

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Solution for 7x-2(-x+2)=68 equation:


Simplifying
7x + -2(-1x + 2) = 68

Reorder the terms:
7x + -2(2 + -1x) = 68
7x + (2 * -2 + -1x * -2) = 68
7x + (-4 + 2x) = 68

Reorder the terms:
-4 + 7x + 2x = 68

Combine like terms: 7x + 2x = 9x
-4 + 9x = 68

Solving
-4 + 9x = 68

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 9x = 68 + 4

Combine like terms: -4 + 4 = 0
0 + 9x = 68 + 4
9x = 68 + 4

Combine like terms: 68 + 4 = 72
9x = 72

Divide each side by '9'.
x = 8

Simplifying
x = 8

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