1-x=2x+7

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Solution for 1-x=2x+7 equation:


Simplifying
1 + -1x = 2x + 7

Reorder the terms:
1 + -1x = 7 + 2x

Solving
1 + -1x = 7 + 2x

Solving for variable 'x'.

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

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

Combine like terms: -1x + -2x = -3x
1 + -3x = 7 + 2x + -2x

Combine like terms: 2x + -2x = 0
1 + -3x = 7 + 0
1 + -3x = 7

Add '-1' to each side of the equation.
1 + -1 + -3x = 7 + -1

Combine like terms: 1 + -1 = 0
0 + -3x = 7 + -1
-3x = 7 + -1

Combine like terms: 7 + -1 = 6
-3x = 6

Divide each side by '-3'.
x = -2

Simplifying
x = -2

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