3x+76=8x-9

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Solution for 3x+76=8x-9 equation:


Simplifying
3x + 76 = 8x + -9

Reorder the terms:
76 + 3x = 8x + -9

Reorder the terms:
76 + 3x = -9 + 8x

Solving
76 + 3x = -9 + 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.
76 + 3x + -8x = -9 + 8x + -8x

Combine like terms: 3x + -8x = -5x
76 + -5x = -9 + 8x + -8x

Combine like terms: 8x + -8x = 0
76 + -5x = -9 + 0
76 + -5x = -9

Add '-76' to each side of the equation.
76 + -76 + -5x = -9 + -76

Combine like terms: 76 + -76 = 0
0 + -5x = -9 + -76
-5x = -9 + -76

Combine like terms: -9 + -76 = -85
-5x = -85

Divide each side by '-5'.
x = 17

Simplifying
x = 17

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