3(-x+1)-4=x+20

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Solution for 3(-x+1)-4=x+20 equation:


Simplifying
3(-1x + 1) + -4 = x + 20

Reorder the terms:
3(1 + -1x) + -4 = x + 20
(1 * 3 + -1x * 3) + -4 = x + 20
(3 + -3x) + -4 = x + 20

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

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

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

Solving
-1 + -3x = 20 + 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 + -3x + -1x = 20 + x + -1x

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

Combine like terms: x + -1x = 0
-1 + -4x = 20 + 0
-1 + -4x = 20

Add '1' to each side of the equation.
-1 + 1 + -4x = 20 + 1

Combine like terms: -1 + 1 = 0
0 + -4x = 20 + 1
-4x = 20 + 1

Combine like terms: 20 + 1 = 21
-4x = 21

Divide each side by '-4'.
x = -5.25

Simplifying
x = -5.25

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