3-(X+7)=9

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Solution for 3-(X+7)=9 equation:


Simplifying
3 + -1(X + 7) = 9

Reorder the terms:
3 + -1(7 + X) = 9
3 + (7 * -1 + X * -1) = 9
3 + (-7 + -1X) = 9

Combine like terms: 3 + -7 = -4
-4 + -1X = 9

Solving
-4 + -1X = 9

Solving for variable 'X'.

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

Add '4' to each side of the equation.
-4 + 4 + -1X = 9 + 4

Combine like terms: -4 + 4 = 0
0 + -1X = 9 + 4
-1X = 9 + 4

Combine like terms: 9 + 4 = 13
-1X = 13

Divide each side by '-1'.
X = -13

Simplifying
X = -13

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