90-1.5=30

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Solution for 90-1.5=30 equation: 


Simplifying
90 + -1.5 = 30

Combine like terms: 90 + -1.5 = 88.5
88.5 = 30

Solving
88.5 = 30

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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