40+7=50-3

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Solution for 40+7=50-3 equation: 


Simplifying
40 + 7 = 50 + -3

Combine like terms: 40 + 7 = 47
47 = 50 + -3

Combine like terms: 50 + -3 = 47
47 = 47

Add '-47' to each side of the equation.
47 + -47 = 47 + -47

Combine like terms: 47 + -47 = 0
0 = 47 + -47

Combine like terms: 47 + -47 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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