15+4(7-2)=21

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Solution for 15+4(7-2)=21 equation: 


Simplifying
15 + 4(7 + -2) = 21

Combine like terms: 7 + -2 = 5
15 + 4(5) = 21

Multiply 4 * 5
15 + 20 = 21

Combine like terms: 15 + 20 = 35
35 = 21

Solving
35 = 21

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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