3-x+9=39

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Solution for 3-x+9=39 equation:


Simplifying
3 + -1x + 9 = 39

Reorder the terms:
3 + 9 + -1x = 39

Combine like terms: 3 + 9 = 12
12 + -1x = 39

Solving
12 + -1x = 39

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -1x = 39 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 39 + -12
-1x = 39 + -12

Combine like terms: 39 + -12 = 27
-1x = 27

Divide each side by '-1'.
x = -27

Simplifying
x = -27

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