400+80x=100x

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Solution for 400+80x=100x equation:


Simplifying
400 + 80x = 100x

Solving
400 + 80x = 100x

Solving for variable 'x'.

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

Add '-100x' to each side of the equation.
400 + 80x + -100x = 100x + -100x

Combine like terms: 80x + -100x = -20x
400 + -20x = 100x + -100x

Combine like terms: 100x + -100x = 0
400 + -20x = 0

Add '-400' to each side of the equation.
400 + -400 + -20x = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -20x = 0 + -400
-20x = 0 + -400

Combine like terms: 0 + -400 = -400
-20x = -400

Divide each side by '-20'.
x = 20

Simplifying
x = 20

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