12+7=x+3

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Solution for 12+7=x+3 equation:


Simplifying
12 + 7 = x + 3

Combine like terms: 12 + 7 = 19
19 = x + 3

Reorder the terms:
19 = 3 + x

Solving
19 = 3 + 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.
19 + -1x = 3 + x + -1x

Combine like terms: x + -1x = 0
19 + -1x = 3 + 0
19 + -1x = 3

Add '-19' to each side of the equation.
19 + -19 + -1x = 3 + -19

Combine like terms: 19 + -19 = 0
0 + -1x = 3 + -19
-1x = 3 + -19

Combine like terms: 3 + -19 = -16
-1x = -16

Divide each side by '-1'.
x = 16

Simplifying
x = 16

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