5x+2x+100=15x+20

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Solution for 5x+2x+100=15x+20 equation:


Simplifying
5x + 2x + 100 = 15x + 20

Reorder the terms:
100 + 5x + 2x = 15x + 20

Combine like terms: 5x + 2x = 7x
100 + 7x = 15x + 20

Reorder the terms:
100 + 7x = 20 + 15x

Solving
100 + 7x = 20 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
100 + 7x + -15x = 20 + 15x + -15x

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

Combine like terms: 15x + -15x = 0
100 + -8x = 20 + 0
100 + -8x = 20

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

Combine like terms: 100 + -100 = 0
0 + -8x = 20 + -100
-8x = 20 + -100

Combine like terms: 20 + -100 = -80
-8x = -80

Divide each side by '-8'.
x = 10

Simplifying
x = 10

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