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

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


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

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

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

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

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

Reorder the terms:
3 + 8x = 7 + 8 + 7x

Combine like terms: 7 + 8 = 15
3 + 8x = 15 + 7x

Solving
3 + 8x = 15 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
3 + 8x + -7x = 15 + 7x + -7x

Combine like terms: 8x + -7x = 1x
3 + 1x = 15 + 7x + -7x

Combine like terms: 7x + -7x = 0
3 + 1x = 15 + 0
3 + 1x = 15

Add '-3' to each side of the equation.
3 + -3 + 1x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 1x = 15 + -3
1x = 15 + -3

Combine like terms: 15 + -3 = 12
1x = 12

Divide each side by '1'.
x = 12

Simplifying
x = 12

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