-7-6x=21-2x

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Solution for -7-6x=21-2x equation:


Simplifying
-7 + -6x = 21 + -2x

Solving
-7 + -6x = 21 + -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.
-7 + -6x + 2x = 21 + -2x + 2x

Combine like terms: -6x + 2x = -4x
-7 + -4x = 21 + -2x + 2x

Combine like terms: -2x + 2x = 0
-7 + -4x = 21 + 0
-7 + -4x = 21

Add '7' to each side of the equation.
-7 + 7 + -4x = 21 + 7

Combine like terms: -7 + 7 = 0
0 + -4x = 21 + 7
-4x = 21 + 7

Combine like terms: 21 + 7 = 28
-4x = 28

Divide each side by '-4'.
x = -7

Simplifying
x = -7

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