9(X-2)-3(X+4)=30

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Solution for 9(X-2)-3(X+4)=30 equation: 


Simplifying
9(X + -2) + -3(X + 4) = 30

Reorder the terms:
9(-2 + X) + -3(X + 4) = 30
(-2 * 9 + X * 9) + -3(X + 4) = 30
(-18 + 9X) + -3(X + 4) = 30

Reorder the terms:
-18 + 9X + -3(4 + X) = 30
-18 + 9X + (4 * -3 + X * -3) = 30
-18 + 9X + (-12 + -3X) = 30

Reorder the terms:
-18 + -12 + 9X + -3X = 30

Combine like terms: -18 + -12 = -30
-30 + 9X + -3X = 30

Combine like terms: 9X + -3X = 6X
-30 + 6X = 30

Solving
-30 + 6X = 30

Solving for variable 'X'.

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

Add '30' to each side of the equation.
-30 + 30 + 6X = 30 + 30

Combine like terms: -30 + 30 = 0
0 + 6X = 30 + 30
6X = 30 + 30

Combine like terms: 30 + 30 = 60
6X = 60

Divide each side by '6'.
X = 10

Simplifying
X = 10

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