9x-(x-3)=72

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Solution for 9x-(x-3)=72 equation:


Simplifying
9x + -1(x + -3) = 72

Reorder the terms:
9x + -1(-3 + x) = 72
9x + (-3 * -1 + x * -1) = 72
9x + (3 + -1x) = 72

Reorder the terms:
3 + 9x + -1x = 72

Combine like terms: 9x + -1x = 8x
3 + 8x = 72

Solving
3 + 8x = 72

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 8x = 72 + -3

Combine like terms: 3 + -3 = 0
0 + 8x = 72 + -3
8x = 72 + -3

Combine like terms: 72 + -3 = 69
8x = 69

Divide each side by '8'.
x = 8.625

Simplifying
x = 8.625

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