123+856=x+456

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Solution for 123+856=x+456 equation:


Simplifying
123 + 856 = x + 456

Combine like terms: 123 + 856 = 979
979 = x + 456

Reorder the terms:
979 = 456 + x

Solving
979 = 456 + 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.
979 + -1x = 456 + x + -1x

Combine like terms: x + -1x = 0
979 + -1x = 456 + 0
979 + -1x = 456

Add '-979' to each side of the equation.
979 + -979 + -1x = 456 + -979

Combine like terms: 979 + -979 = 0
0 + -1x = 456 + -979
-1x = 456 + -979

Combine like terms: 456 + -979 = -523
-1x = -523

Divide each side by '-1'.
x = 523

Simplifying
x = 523

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