100-40x=180

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Solution for 100-40x=180 equation: 


Simplifying
100 + -40x = 180

Solving
100 + -40x = 180

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + -40x = 180 + -100

Combine like terms: 100 + -100 = 0
0 + -40x = 180 + -100
-40x = 180 + -100

Combine like terms: 180 + -100 = 80
-40x = 80

Divide each side by '-40'.
x = -2

Simplifying
x = -2

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