20x+100=30x+80

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Solution for 20x+100=30x+80 equation:


Simplifying
20x + 100 = 30x + 80

Reorder the terms:
100 + 20x = 30x + 80

Reorder the terms:
100 + 20x = 80 + 30x

Solving
100 + 20x = 80 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
100 + 20x + -30x = 80 + 30x + -30x

Combine like terms: 20x + -30x = -10x
100 + -10x = 80 + 30x + -30x

Combine like terms: 30x + -30x = 0
100 + -10x = 80 + 0
100 + -10x = 80

Add '-100' to each side of the equation.
100 + -100 + -10x = 80 + -100

Combine like terms: 100 + -100 = 0
0 + -10x = 80 + -100
-10x = 80 + -100

Combine like terms: 80 + -100 = -20
-10x = -20

Divide each side by '-10'.
x = 2

Simplifying
x = 2

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