20-2x+4-x=-7x+20

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Solution for 20-2x+4-x=-7x+20 equation:


Simplifying
20 + -2x + 4 + -1x = -7x + 20

Reorder the terms:
20 + 4 + -2x + -1x = -7x + 20

Combine like terms: 20 + 4 = 24
24 + -2x + -1x = -7x + 20

Combine like terms: -2x + -1x = -3x
24 + -3x = -7x + 20

Reorder the terms:
24 + -3x = 20 + -7x

Solving
24 + -3x = 20 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
24 + -3x + 7x = 20 + -7x + 7x

Combine like terms: -3x + 7x = 4x
24 + 4x = 20 + -7x + 7x

Combine like terms: -7x + 7x = 0
24 + 4x = 20 + 0
24 + 4x = 20

Add '-24' to each side of the equation.
24 + -24 + 4x = 20 + -24

Combine like terms: 24 + -24 = 0
0 + 4x = 20 + -24
4x = 20 + -24

Combine like terms: 20 + -24 = -4
4x = -4

Divide each side by '4'.
x = -1

Simplifying
x = -1

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