100+0.30x=30+0.80x

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Solution for 100+0.30x=30+0.80x equation: 


Simplifying
100 + 0.30x = 30 + 0.80x

Solving
100 + 0.30x = 30 + 0.80x

Solving for variable 'x'.

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

Add '-0.80x' to each side of the equation.
100 + 0.30x + -0.80x = 30 + 0.80x + -0.80x

Combine like terms: 0.30x + -0.80x = -0.5x
100 + -0.5x = 30 + 0.80x + -0.80x

Combine like terms: 0.80x + -0.80x = 0.00
100 + -0.5x = 30 + 0.00
100 + -0.5x = 30

Add '-100' to each side of the equation.
100 + -100 + -0.5x = 30 + -100

Combine like terms: 100 + -100 = 0
0 + -0.5x = 30 + -100
-0.5x = 30 + -100

Combine like terms: 30 + -100 = -70
-0.5x = -70

Divide each side by '-0.5'.
x = 140

Simplifying
x = 140

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