9X-(3X+6)=18

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Solution for 9X-(3X+6)=18 equation:


Simplifying
9X + -1(3X + 6) = 18

Reorder the terms:
9X + -1(6 + 3X) = 18
9X + (6 * -1 + 3X * -1) = 18
9X + (-6 + -3X) = 18

Reorder the terms:
-6 + 9X + -3X = 18

Combine like terms: 9X + -3X = 6X
-6 + 6X = 18

Solving
-6 + 6X = 18

Solving for variable 'X'.

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

Add '6' to each side of the equation.
-6 + 6 + 6X = 18 + 6

Combine like terms: -6 + 6 = 0
0 + 6X = 18 + 6
6X = 18 + 6

Combine like terms: 18 + 6 = 24
6X = 24

Divide each side by '6'.
X = 4

Simplifying
X = 4

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