x+8x-(x-1)=5(x+2)

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Solution for x+8x-(x-1)=5(x+2) equation:


Simplifying
x + 8x + -1(x + -1) = 5(x + 2)

Reorder the terms:
x + 8x + -1(-1 + x) = 5(x + 2)
x + 8x + (-1 * -1 + x * -1) = 5(x + 2)
x + 8x + (1 + -1x) = 5(x + 2)

Reorder the terms:
1 + x + 8x + -1x = 5(x + 2)

Combine like terms: x + 8x = 9x
1 + 9x + -1x = 5(x + 2)

Combine like terms: 9x + -1x = 8x
1 + 8x = 5(x + 2)

Reorder the terms:
1 + 8x = 5(2 + x)
1 + 8x = (2 * 5 + x * 5)
1 + 8x = (10 + 5x)

Solving
1 + 8x = 10 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
1 + 8x + -5x = 10 + 5x + -5x

Combine like terms: 8x + -5x = 3x
1 + 3x = 10 + 5x + -5x

Combine like terms: 5x + -5x = 0
1 + 3x = 10 + 0
1 + 3x = 10

Add '-1' to each side of the equation.
1 + -1 + 3x = 10 + -1

Combine like terms: 1 + -1 = 0
0 + 3x = 10 + -1
3x = 10 + -1

Combine like terms: 10 + -1 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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