80+0.7x=40+0.9x

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Solution for 80+0.7x=40+0.9x equation:


Simplifying
80 + 0.7x = 40 + 0.9x

Solving
80 + 0.7x = 40 + 0.9x

Solving for variable 'x'.

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

Add '-0.9x' to each side of the equation.
80 + 0.7x + -0.9x = 40 + 0.9x + -0.9x

Combine like terms: 0.7x + -0.9x = -0.2x
80 + -0.2x = 40 + 0.9x + -0.9x

Combine like terms: 0.9x + -0.9x = 0.0
80 + -0.2x = 40 + 0.0
80 + -0.2x = 40

Add '-80' to each side of the equation.
80 + -80 + -0.2x = 40 + -80

Combine like terms: 80 + -80 = 0
0 + -0.2x = 40 + -80
-0.2x = 40 + -80

Combine like terms: 40 + -80 = -40
-0.2x = -40

Divide each side by '-0.2'.
x = 200

Simplifying
x = 200

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