6-(x+3)=15

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Solution for 6-(x+3)=15 equation:


Simplifying
6 + -1(x + 3) = 15

Reorder the terms:
6 + -1(3 + x) = 15
6 + (3 * -1 + x * -1) = 15
6 + (-3 + -1x) = 15

Combine like terms: 6 + -3 = 3
3 + -1x = 15

Solving
3 + -1x = 15

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 + -1x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 15 + -3
-1x = 15 + -3

Combine like terms: 15 + -3 = 12
-1x = 12

Divide each side by '-1'.
x = -12

Simplifying
x = -12

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