90-47=43

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Solution for 90-47=43 equation: 


Simplifying
90 + -47 = 43

Combine like terms: 90 + -47 = 43
43 = 43

Add '-43' to each side of the equation.
43 + -43 = 43 + -43

Combine like terms: 43 + -43 = 0
0 = 43 + -43

Combine like terms: 43 + -43 = 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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