16-9+20+12=x

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Solution for 16-9+20+12=x equation:


Simplifying
16 + -9 + 20 + 12 = x

Combine like terms: 16 + -9 = 7
7 + 20 + 12 = x

Combine like terms: 7 + 20 = 27
27 + 12 = x

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

Solving
39 = 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.
39 + -1x = x + -1x

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

Add '-39' to each side of the equation.
39 + -39 + -1x = 0 + -39

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

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

Divide each side by '-1'.
x = 39

Simplifying
x = 39

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