3(x-40)-4(1-x)-x=-2(-x+2)

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Solution for 3(x-40)-4(1-x)-x=-2(-x+2) equation:


Simplifying
3(x + -40) + -4(1 + -1x) + -1x = -2(-1x + 2)

Reorder the terms:
3(-40 + x) + -4(1 + -1x) + -1x = -2(-1x + 2)
(-40 * 3 + x * 3) + -4(1 + -1x) + -1x = -2(-1x + 2)
(-120 + 3x) + -4(1 + -1x) + -1x = -2(-1x + 2)
-120 + 3x + (1 * -4 + -1x * -4) + -1x = -2(-1x + 2)
-120 + 3x + (-4 + 4x) + -1x = -2(-1x + 2)

Reorder the terms:
-120 + -4 + 3x + 4x + -1x = -2(-1x + 2)

Combine like terms: -120 + -4 = -124
-124 + 3x + 4x + -1x = -2(-1x + 2)

Combine like terms: 3x + 4x = 7x
-124 + 7x + -1x = -2(-1x + 2)

Combine like terms: 7x + -1x = 6x
-124 + 6x = -2(-1x + 2)

Reorder the terms:
-124 + 6x = -2(2 + -1x)
-124 + 6x = (2 * -2 + -1x * -2)
-124 + 6x = (-4 + 2x)

Solving
-124 + 6x = -4 + 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.
-124 + 6x + -2x = -4 + 2x + -2x

Combine like terms: 6x + -2x = 4x
-124 + 4x = -4 + 2x + -2x

Combine like terms: 2x + -2x = 0
-124 + 4x = -4 + 0
-124 + 4x = -4

Add '124' to each side of the equation.
-124 + 124 + 4x = -4 + 124

Combine like terms: -124 + 124 = 0
0 + 4x = -4 + 124
4x = -4 + 124

Combine like terms: -4 + 124 = 120
4x = 120

Divide each side by '4'.
x = 30

Simplifying
x = 30

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