3x+80=8x+15

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Solution for 3x+80=8x+15 equation:


Simplifying
3x + 80 = 8x + 15

Reorder the terms:
80 + 3x = 8x + 15

Reorder the terms:
80 + 3x = 15 + 8x

Solving
80 + 3x = 15 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
80 + 3x + -8x = 15 + 8x + -8x

Combine like terms: 3x + -8x = -5x
80 + -5x = 15 + 8x + -8x

Combine like terms: 8x + -8x = 0
80 + -5x = 15 + 0
80 + -5x = 15

Add '-80' to each side of the equation.
80 + -80 + -5x = 15 + -80

Combine like terms: 80 + -80 = 0
0 + -5x = 15 + -80
-5x = 15 + -80

Combine like terms: 15 + -80 = -65
-5x = -65

Divide each side by '-5'.
x = 13

Simplifying
x = 13

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