-20-4x=40

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Solution for -20-4x=40 equation: 


Simplifying
-20 + -4x = 40

Solving
-20 + -4x = 40

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -4x = 40 + 20

Combine like terms: -20 + 20 = 0
0 + -4x = 40 + 20
-4x = 40 + 20

Combine like terms: 40 + 20 = 60
-4x = 60

Divide each side by '-4'.
x = -15

Simplifying
x = -15

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