9x-(3x+18)=30

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Solution for 9x-(3x+18)=30 equation:


Simplifying
9x + -1(3x + 18) = 30

Reorder the terms:
9x + -1(18 + 3x) = 30
9x + (18 * -1 + 3x * -1) = 30
9x + (-18 + -3x) = 30

Reorder the terms:
-18 + 9x + -3x = 30

Combine like terms: 9x + -3x = 6x
-18 + 6x = 30

Solving
-18 + 6x = 30

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 6x = 30 + 18

Combine like terms: -18 + 18 = 0
0 + 6x = 30 + 18
6x = 30 + 18

Combine like terms: 30 + 18 = 48
6x = 48

Divide each side by '6'.
x = 8

Simplifying
x = 8

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