3(2+5)-7=

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Solution for 3(2+5)-7= equation: 


Simplifying
3(2 + 5) + -7 = 0

Combine like terms: 2 + 5 = 7
3(7) + -7 = 0

Multiply 3 * 7
21 + -7 = 0

Combine like terms: 21 + -7 = 14
14 = 0

Solving
14 = 0

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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