4x-80=40

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Solution for 4x-80=40 equation: 


Simplifying
4x + -80 = 40

Reorder the terms:
-80 + 4x = 40

Solving
-80 + 4x = 40

Solving for variable 'x'.

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

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

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

Combine like terms: 40 + 80 = 120
4x = 120

Divide each side by '4'.
x = 30

Simplifying
x = 30

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