4x+2(-2x-20)=-40

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Solution for 4x+2(-2x-20)=-40 equation: 


Simplifying
4x + 2(-2x + -20) = -40

Reorder the terms:
4x + 2(-20 + -2x) = -40
4x + (-20 * 2 + -2x * 2) = -40
4x + (-40 + -4x) = -40

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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