40-4x=80

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Solution for 40-4x=80 equation:


Simplifying
40 + -4x = 80

Solving
40 + -4x = 80

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -4x = 80 + -40

Combine like terms: 40 + -40 = 0
0 + -4x = 80 + -40
-4x = 80 + -40

Combine like terms: 80 + -40 = 40
-4x = 40

Divide each side by '-4'.
x = -10

Simplifying
x = -10

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