4(n-n)-7=12

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Solution for 4(n-n)-7=12 equation: 


Simplifying
4(n + -1n) + -7 = 12

Combine like terms: n + -1n = 0
4(0) + -7 = 12

Multiply 4 * 0
0 + -7 = 12

Anything times zero is zero.
0 + -7 = 12

Combine like terms: 0 + -7 = -7
-7 = 12

Solving
-7 = 12

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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