13+8(5-9)=21

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Solution for 13+8(5-9)=21 equation: 


Simplifying
13 + 8(5 + -9) = 21

Combine like terms: 5 + -9 = -4
13 + 8(-4) = 21

Multiply 8 * -4
13 + -32 = 21

Combine like terms: 13 + -32 = -19
-19 = 21

Solving
-19 = 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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