15-(x+4)=9

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Solution for 15-(x+4)=9 equation: 


Simplifying
15 + -1(x + 4) = 9

Reorder the terms:
15 + -1(4 + x) = 9
15 + (4 * -1 + x * -1) = 9
15 + (-4 + -1x) = 9

Combine like terms: 15 + -4 = 11
11 + -1x = 9

Solving
11 + -1x = 9

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + -1x = 9 + -11

Combine like terms: 11 + -11 = 0
0 + -1x = 9 + -11
-1x = 9 + -11

Combine like terms: 9 + -11 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2

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