-28=x-2x-7

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Solution for -28=x-2x-7 equation:


Simplifying
-28 = x + -2x + -7

Reorder the terms:
-28 = -7 + x + -2x

Combine like terms: x + -2x = -1x
-28 = -7 + -1x

Solving
-28 = -7 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-28 + x = -7 + -1x + x

Combine like terms: -1x + x = 0
-28 + x = -7 + 0
-28 + x = -7

Add '28' to each side of the equation.
-28 + 28 + x = -7 + 28

Combine like terms: -28 + 28 = 0
0 + x = -7 + 28
x = -7 + 28

Combine like terms: -7 + 28 = 21
x = 21

Simplifying
x = 21

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