3=x+9-15

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Solution for 3=x+9-15 equation:


Simplifying
3 = x + 9 + -15

Reorder the terms:
3 = 9 + -15 + x

Combine like terms: 9 + -15 = -6
3 = -6 + x

Solving
3 = -6 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + -1x = -6 + x + -1x

Combine like terms: x + -1x = 0
3 + -1x = -6 + 0
3 + -1x = -6

Add '-3' to each side of the equation.
3 + -3 + -1x = -6 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = -6 + -3
-1x = -6 + -3

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

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

Simplifying
x = 9

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