9x-(6x+3)=18

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


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

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

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

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

Solving
-3 + 3x = 18

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 + 3x = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 3x = 18 + 3
3x = 18 + 3

Combine like terms: 18 + 3 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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