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

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


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

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

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

Combine like terms: 9x + -1x = 8x
-8 + 8x = 3(2x + -7)

Reorder the terms:
-8 + 8x = 3(-7 + 2x)
-8 + 8x = (-7 * 3 + 2x * 3)
-8 + 8x = (-21 + 6x)

Solving
-8 + 8x = -21 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-8 + 8x + -6x = -21 + 6x + -6x

Combine like terms: 8x + -6x = 2x
-8 + 2x = -21 + 6x + -6x

Combine like terms: 6x + -6x = 0
-8 + 2x = -21 + 0
-8 + 2x = -21

Add '8' to each side of the equation.
-8 + 8 + 2x = -21 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = -21 + 8
2x = -21 + 8

Combine like terms: -21 + 8 = -13
2x = -13

Divide each side by '2'.
x = -6.5

Simplifying
x = -6.5

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