3+x=8x+9

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


Simplifying
3 + x = 8x + 9

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

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

Combine like terms: x + -8x = -7x
3 + -7x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
3 + -7x = 9 + 0
3 + -7x = 9

Add '-3' to each side of the equation.
3 + -3 + -7x = 9 + -3

Combine like terms: 3 + -3 = 0
0 + -7x = 9 + -3
-7x = 9 + -3

Combine like terms: 9 + -3 = 6
-7x = 6

Divide each side by '-7'.
x = -0.8571428571

Simplifying
x = -0.8571428571

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