3x-40=-(x-4)

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


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

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

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

Solving
-40 + 3x = 4 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-40 + 3x + x = 4 + -1x + x

Combine like terms: 3x + x = 4x
-40 + 4x = 4 + -1x + x

Combine like terms: -1x + x = 0
-40 + 4x = 4 + 0
-40 + 4x = 4

Add '40' to each side of the equation.
-40 + 40 + 4x = 4 + 40

Combine like terms: -40 + 40 = 0
0 + 4x = 4 + 40
4x = 4 + 40

Combine like terms: 4 + 40 = 44
4x = 44

Divide each side by '4'.
x = 11

Simplifying
x = 11

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