8x+3=x+9(x-1)

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Solution for 8x+3=x+9(x-1) equation:


Simplifying
8x + 3 = x + 9(x + -1)

Reorder the terms:
3 + 8x = x + 9(x + -1)

Reorder the terms:
3 + 8x = x + 9(-1 + x)
3 + 8x = x + (-1 * 9 + x * 9)
3 + 8x = x + (-9 + 9x)

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

Combine like terms: x + 9x = 10x
3 + 8x = -9 + 10x

Solving
3 + 8x = -9 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
3 + 8x + -10x = -9 + 10x + -10x

Combine like terms: 8x + -10x = -2x
3 + -2x = -9 + 10x + -10x

Combine like terms: 10x + -10x = 0
3 + -2x = -9 + 0
3 + -2x = -9

Add '-3' to each side of the equation.
3 + -3 + -2x = -9 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = -9 + -3
-2x = -9 + -3

Combine like terms: -9 + -3 = -12
-2x = -12

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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