2*(x-1)=x+7

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Solution for 2*(x-1)=x+7 equation:


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

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

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

Solving
-2 + 2x = 7 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-2 + 2x + -1x = 7 + x + -1x

Combine like terms: 2x + -1x = 1x
-2 + 1x = 7 + x + -1x

Combine like terms: x + -1x = 0
-2 + 1x = 7 + 0
-2 + 1x = 7

Add '2' to each side of the equation.
-2 + 2 + 1x = 7 + 2

Combine like terms: -2 + 2 = 0
0 + 1x = 7 + 2
1x = 7 + 2

Combine like terms: 7 + 2 = 9
1x = 9

Divide each side by '1'.
x = 9

Simplifying
x = 9

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