-0.8(x-100)+0.07x=90

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Solution for -0.8(x-100)+0.07x=90 equation:


Simplifying
-0.8(x + -100) + 0.07x = 90

Reorder the terms:
-0.8(-100 + x) + 0.07x = 90
(-100 * -0.8 + x * -0.8) + 0.07x = 90
(80 + -0.8x) + 0.07x = 90

Combine like terms: -0.8x + 0.07x = -0.73x
80 + -0.73x = 90

Solving
80 + -0.73x = 90

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + -0.73x = 90 + -80

Combine like terms: 80 + -80 = 0
0 + -0.73x = 90 + -80
-0.73x = 90 + -80

Combine like terms: 90 + -80 = 10
-0.73x = 10

Divide each side by '-0.73'.
x = -13.69863014

Simplifying
x = -13.69863014

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