13(13-5m)=-91

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Solution for 13(13-5m)=-91 equation: 


Simplifying
13(13 + -5m) = -91
(13 * 13 + -5m * 13) = -91
(169 + -65m) = -91

Solving
169 + -65m = -91

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '-169' to each side of the equation.
169 + -169 + -65m = -91 + -169

Combine like terms: 169 + -169 = 0
0 + -65m = -91 + -169
-65m = -91 + -169

Combine like terms: -91 + -169 = -260
-65m = -260

Divide each side by '-65'.
m = 4

Simplifying
m = 4

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