3x+2(x-7)=(9x-1)-(x-8)

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Solution for 3x+2(x-7)=(9x-1)-(x-8) equation:


Simplifying
3x + 2(x + -7) = (9x + -1) + -1(x + -8)

Reorder the terms:
3x + 2(-7 + x) = (9x + -1) + -1(x + -8)
3x + (-7 * 2 + x * 2) = (9x + -1) + -1(x + -8)
3x + (-14 + 2x) = (9x + -1) + -1(x + -8)

Reorder the terms:
-14 + 3x + 2x = (9x + -1) + -1(x + -8)

Combine like terms: 3x + 2x = 5x
-14 + 5x = (9x + -1) + -1(x + -8)

Reorder the terms:
-14 + 5x = (-1 + 9x) + -1(x + -8)

Remove parenthesis around (-1 + 9x)
-14 + 5x = -1 + 9x + -1(x + -8)

Reorder the terms:
-14 + 5x = -1 + 9x + -1(-8 + x)
-14 + 5x = -1 + 9x + (-8 * -1 + x * -1)
-14 + 5x = -1 + 9x + (8 + -1x)

Reorder the terms:
-14 + 5x = -1 + 8 + 9x + -1x

Combine like terms: -1 + 8 = 7
-14 + 5x = 7 + 9x + -1x

Combine like terms: 9x + -1x = 8x
-14 + 5x = 7 + 8x

Solving
-14 + 5x = 7 + 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.
-14 + 5x + -8x = 7 + 8x + -8x

Combine like terms: 5x + -8x = -3x
-14 + -3x = 7 + 8x + -8x

Combine like terms: 8x + -8x = 0
-14 + -3x = 7 + 0
-14 + -3x = 7

Add '14' to each side of the equation.
-14 + 14 + -3x = 7 + 14

Combine like terms: -14 + 14 = 0
0 + -3x = 7 + 14
-3x = 7 + 14

Combine like terms: 7 + 14 = 21
-3x = 21

Divide each side by '-3'.
x = -7

Simplifying
x = -7

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