3(3X-3)-2(X+1)=15

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Solution for 3(3X-3)-2(X+1)=15 equation: 


Simplifying
3(3X + -3) + -2(X + 1) = 15

Reorder the terms:
3(-3 + 3X) + -2(X + 1) = 15
(-3 * 3 + 3X * 3) + -2(X + 1) = 15
(-9 + 9X) + -2(X + 1) = 15

Reorder the terms:
-9 + 9X + -2(1 + X) = 15
-9 + 9X + (1 * -2 + X * -2) = 15
-9 + 9X + (-2 + -2X) = 15

Reorder the terms:
-9 + -2 + 9X + -2X = 15

Combine like terms: -9 + -2 = -11
-11 + 9X + -2X = 15

Combine like terms: 9X + -2X = 7X
-11 + 7X = 15

Solving
-11 + 7X = 15

Solving for variable 'X'.

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

Add '11' to each side of the equation.
-11 + 11 + 7X = 15 + 11

Combine like terms: -11 + 11 = 0
0 + 7X = 15 + 11
7X = 15 + 11

Combine like terms: 15 + 11 = 26
7X = 26

Divide each side by '7'.
X = 3.714285714

Simplifying
X = 3.714285714

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