3-(x-6)=18

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


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

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

Combine like terms: 3 + 6 = 9
9 + -1x = 18

Solving
9 + -1x = 18

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 + -1x = 18 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = 18 + -9
-1x = 18 + -9

Combine like terms: 18 + -9 = 9
-1x = 9

Divide each side by '-1'.
x = -9

Simplifying
x = -9

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