90+.20x=50+.70x

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Solution for 90+.20x=50+.70x equation:


Simplifying
90 + 0.20x = 50 + 0.70x

Solving
90 + 0.20x = 50 + 0.70x

Solving for variable 'x'.

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

Add '-0.70x' to each side of the equation.
90 + 0.20x + -0.70x = 50 + 0.70x + -0.70x

Combine like terms: 0.20x + -0.70x = -0.5x
90 + -0.5x = 50 + 0.70x + -0.70x

Combine like terms: 0.70x + -0.70x = 0.00
90 + -0.5x = 50 + 0.00
90 + -0.5x = 50

Add '-90' to each side of the equation.
90 + -90 + -0.5x = 50 + -90

Combine like terms: 90 + -90 = 0
0 + -0.5x = 50 + -90
-0.5x = 50 + -90

Combine like terms: 50 + -90 = -40
-0.5x = -40

Divide each side by '-0.5'.
x = 80

Simplifying
x = 80

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