15+31=x

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Solution for 15+31=x equation:


Simplifying
15 + 31 = x

Combine like terms: 15 + 31 = 46
46 = x

Solving
46 = 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.
46 + -1x = x + -1x

Combine like terms: x + -1x = 0
46 + -1x = 0

Add '-46' to each side of the equation.
46 + -46 + -1x = 0 + -46

Combine like terms: 46 + -46 = 0
0 + -1x = 0 + -46
-1x = 0 + -46

Combine like terms: 0 + -46 = -46
-1x = -46

Divide each side by '-1'.
x = 46

Simplifying
x = 46

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