90+0.40x=30+0.80x

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Solution for 90+0.40x=30+0.80x equation: 


Simplifying
90 + 0.40x = 30 + 0.80x

Solving
90 + 0.40x = 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.
90 + 0.40x + -0.80x = 30 + 0.80x + -0.80x

Combine like terms: 0.40x + -0.80x = -0.4x
90 + -0.4x = 30 + 0.80x + -0.80x

Combine like terms: 0.80x + -0.80x = 0.00
90 + -0.4x = 30 + 0.00
90 + -0.4x = 30

Add '-90' to each side of the equation.
90 + -90 + -0.4x = 30 + -90

Combine like terms: 90 + -90 = 0
0 + -0.4x = 30 + -90
-0.4x = 30 + -90

Combine like terms: 30 + -90 = -60
-0.4x = -60

Divide each side by '-0.4'.
x = 150

Simplifying
x = 150

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