30+15y-15y=4

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Solution for 30+15y-15y=4 equation: 


Simplifying
30 + 15y + -15y = 4

Combine like terms: 15y + -15y = 0
30 + 0 = 4
30 = 4

Solving
30 = 4

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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