99-7x=20x+15

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Solution for 99-7x=20x+15 equation:


Simplifying
99 + -7x = 20x + 15

Reorder the terms:
99 + -7x = 15 + 20x

Solving
99 + -7x = 15 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
99 + -7x + -20x = 15 + 20x + -20x

Combine like terms: -7x + -20x = -27x
99 + -27x = 15 + 20x + -20x

Combine like terms: 20x + -20x = 0
99 + -27x = 15 + 0
99 + -27x = 15

Add '-99' to each side of the equation.
99 + -99 + -27x = 15 + -99

Combine like terms: 99 + -99 = 0
0 + -27x = 15 + -99
-27x = 15 + -99

Combine like terms: 15 + -99 = -84
-27x = -84

Divide each side by '-27'.
x = 3.111111111

Simplifying
x = 3.111111111

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