18x-(3x-9)=99

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Solution for 18x-(3x-9)=99 equation:


Simplifying
18x + -1(3x + -9) = 99

Reorder the terms:
18x + -1(-9 + 3x) = 99
18x + (-9 * -1 + 3x * -1) = 99
18x + (9 + -3x) = 99

Reorder the terms:
9 + 18x + -3x = 99

Combine like terms: 18x + -3x = 15x
9 + 15x = 99

Solving
9 + 15x = 99

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 15x = 99 + -9

Combine like terms: 9 + -9 = 0
0 + 15x = 99 + -9
15x = 99 + -9

Combine like terms: 99 + -9 = 90
15x = 90

Divide each side by '15'.
x = 6

Simplifying
x = 6

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