2(-4x)-2x+1=x-21

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Solution for 2(-4x)-2x+1=x-21 equation:


Simplifying
2(-4x) + -2x + 1 = x + -21

Remove parenthesis around (-4x)
2 * -4x + -2x + 1 = x + -21

Multiply 2 * -4
-8x + -2x + 1 = x + -21

Reorder the terms:
1 + -8x + -2x = x + -21

Combine like terms: -8x + -2x = -10x
1 + -10x = x + -21

Reorder the terms:
1 + -10x = -21 + x

Solving
1 + -10x = -21 + 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.
1 + -10x + -1x = -21 + x + -1x

Combine like terms: -10x + -1x = -11x
1 + -11x = -21 + x + -1x

Combine like terms: x + -1x = 0
1 + -11x = -21 + 0
1 + -11x = -21

Add '-1' to each side of the equation.
1 + -1 + -11x = -21 + -1

Combine like terms: 1 + -1 = 0
0 + -11x = -21 + -1
-11x = -21 + -1

Combine like terms: -21 + -1 = -22
-11x = -22

Divide each side by '-11'.
x = 2

Simplifying
x = 2

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