3x+85=8x+40

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Solution for 3x+85=8x+40 equation:


Simplifying
3x + 85 = 8x + 40

Reorder the terms:
85 + 3x = 8x + 40

Reorder the terms:
85 + 3x = 40 + 8x

Solving
85 + 3x = 40 + 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.
85 + 3x + -8x = 40 + 8x + -8x

Combine like terms: 3x + -8x = -5x
85 + -5x = 40 + 8x + -8x

Combine like terms: 8x + -8x = 0
85 + -5x = 40 + 0
85 + -5x = 40

Add '-85' to each side of the equation.
85 + -85 + -5x = 40 + -85

Combine like terms: 85 + -85 = 0
0 + -5x = 40 + -85
-5x = 40 + -85

Combine like terms: 40 + -85 = -45
-5x = -45

Divide each side by '-5'.
x = 9

Simplifying
x = 9

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