86-90m-75(m-1)=359

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Solution for 86-90m-75(m-1)=359 equation:


Simplifying
86 + -90m + -75(m + -1) = 359

Reorder the terms:
86 + -90m + -75(-1 + m) = 359
86 + -90m + (-1 * -75 + m * -75) = 359
86 + -90m + (75 + -75m) = 359

Reorder the terms:
86 + 75 + -90m + -75m = 359

Combine like terms: 86 + 75 = 161
161 + -90m + -75m = 359

Combine like terms: -90m + -75m = -165m
161 + -165m = 359

Solving
161 + -165m = 359

Solving for variable 'm'.

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

Add '-161' to each side of the equation.
161 + -161 + -165m = 359 + -161

Combine like terms: 161 + -161 = 0
0 + -165m = 359 + -161
-165m = 359 + -161

Combine like terms: 359 + -161 = 198
-165m = 198

Divide each side by '-165'.
m = -1.2

Simplifying
m = -1.2

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