80+5x-5=9x+15

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Solution for 80+5x-5=9x+15 equation:


Simplifying
80 + 5x + -5 = 9x + 15

Reorder the terms:
80 + -5 + 5x = 9x + 15

Combine like terms: 80 + -5 = 75
75 + 5x = 9x + 15

Reorder the terms:
75 + 5x = 15 + 9x

Solving
75 + 5x = 15 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
75 + 5x + -9x = 15 + 9x + -9x

Combine like terms: 5x + -9x = -4x
75 + -4x = 15 + 9x + -9x

Combine like terms: 9x + -9x = 0
75 + -4x = 15 + 0
75 + -4x = 15

Add '-75' to each side of the equation.
75 + -75 + -4x = 15 + -75

Combine like terms: 75 + -75 = 0
0 + -4x = 15 + -75
-4x = 15 + -75

Combine like terms: 15 + -75 = -60
-4x = -60

Divide each side by '-4'.
x = 15

Simplifying
x = 15

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