7+12=18+x

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Solution for 7+12=18+x equation:


Simplifying
7 + 12 = 18 + x

Combine like terms: 7 + 12 = 19
19 = 18 + x

Solving
19 = 18 + 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 = 18 + x + -1x

Combine like terms: x + -1x = 0
19 + -1x = 18 + 0
19 + -1x = 18

Add '-19' to each side of the equation.
19 + -19 + -1x = 18 + -19

Combine like terms: 19 + -19 = 0
0 + -1x = 18 + -19
-1x = 18 + -19

Combine like terms: 18 + -19 = -1
-1x = -1

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

Simplifying
x = 1

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