100+0.70x=30+0.80x

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Solution for 100+0.70x=30+0.80x equation: 


Simplifying
100 + 0.70x = 30 + 0.80x

Solving
100 + 0.70x = 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 + 0.70x + -0.80x = 30 + 0.80x + -0.80x

Combine like terms: 0.70x + -0.80x = -0.1x
100 + -0.1x = 30 + 0.80x + -0.80x

Combine like terms: 0.80x + -0.80x = 0.00
100 + -0.1x = 30 + 0.00
100 + -0.1x = 30

Add '-100' to each side of the equation.
100 + -100 + -0.1x = 30 + -100

Combine like terms: 100 + -100 = 0
0 + -0.1x = 30 + -100
-0.1x = 30 + -100

Combine like terms: 30 + -100 = -70
-0.1x = -70

Divide each side by '-0.1'.
x = 700

Simplifying
x = 700

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