9(x+1)-3(x+3)=36

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Solution for 9(x+1)-3(x+3)=36 equation: 


Simplifying
9(x + 1) + -3(x + 3) = 36

Reorder the terms:
9(1 + x) + -3(x + 3) = 36
(1 * 9 + x * 9) + -3(x + 3) = 36
(9 + 9x) + -3(x + 3) = 36

Reorder the terms:
9 + 9x + -3(3 + x) = 36
9 + 9x + (3 * -3 + x * -3) = 36
9 + 9x + (-9 + -3x) = 36

Reorder the terms:
9 + -9 + 9x + -3x = 36

Combine like terms: 9 + -9 = 0
0 + 9x + -3x = 36
9x + -3x = 36

Combine like terms: 9x + -3x = 6x
6x = 36

Solving
6x = 36

Solving for variable 'x'.

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

Divide each side by '6'.
x = 6

Simplifying
x = 6

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