-7x+3=-x+20-4x

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Solution for -7x+3=-x+20-4x equation:


Simplifying
-7x + 3 = -1x + 20 + -4x

Reorder the terms:
3 + -7x = -1x + 20 + -4x

Reorder the terms:
3 + -7x = 20 + -1x + -4x

Combine like terms: -1x + -4x = -5x
3 + -7x = 20 + -5x

Solving
3 + -7x = 20 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
3 + -7x + 5x = 20 + -5x + 5x

Combine like terms: -7x + 5x = -2x
3 + -2x = 20 + -5x + 5x

Combine like terms: -5x + 5x = 0
3 + -2x = 20 + 0
3 + -2x = 20

Add '-3' to each side of the equation.
3 + -3 + -2x = 20 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = 20 + -3
-2x = 20 + -3

Combine like terms: 20 + -3 = 17
-2x = 17

Divide each side by '-2'.
x = -8.5

Simplifying
x = -8.5

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