100-8x=7x+20

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Solution for 100-8x=7x+20 equation:


Simplifying
100 + -8x = 7x + 20

Reorder the terms:
100 + -8x = 20 + 7x

Solving
100 + -8x = 20 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
100 + -8x + -7x = 20 + 7x + -7x

Combine like terms: -8x + -7x = -15x
100 + -15x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
100 + -15x = 20 + 0
100 + -15x = 20

Add '-100' to each side of the equation.
100 + -100 + -15x = 20 + -100

Combine like terms: 100 + -100 = 0
0 + -15x = 20 + -100
-15x = 20 + -100

Combine like terms: 20 + -100 = -80
-15x = -80

Divide each side by '-15'.
x = 5.333333333

Simplifying
x = 5.333333333

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