4x-40=-4x

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Solution for 4x-40=-4x equation:


Simplifying
4x + -40 = -4x

Reorder the terms:
-40 + 4x = -4x

Solving
-40 + 4x = -4x

Solving for variable 'x'.

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

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

Combine like terms: 4x + 4x = 8x
-40 + 8x = -4x + 4x

Combine like terms: -4x + 4x = 0
-40 + 8x = 0

Add '40' to each side of the equation.
-40 + 40 + 8x = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 8x = 0 + 40
8x = 0 + 40

Combine like terms: 0 + 40 = 40
8x = 40

Divide each side by '8'.
x = 5

Simplifying
x = 5

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