(3m-4n-7)-(8m+n-6)=

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Solution for (3m-4n-7)-(8m+n-6)= equation:


Simplifying
(3m + -4n + -7) + -1(8m + n + -6) = 0

Reorder the terms:
(-7 + 3m + -4n) + -1(8m + n + -6) = 0

Remove parenthesis around (-7 + 3m + -4n)
-7 + 3m + -4n + -1(8m + n + -6) = 0

Reorder the terms:
-7 + 3m + -4n + -1(-6 + 8m + n) = 0
-7 + 3m + -4n + (-6 * -1 + 8m * -1 + n * -1) = 0
-7 + 3m + -4n + (6 + -8m + -1n) = 0

Reorder the terms:
-7 + 6 + 3m + -8m + -4n + -1n = 0

Combine like terms: -7 + 6 = -1
-1 + 3m + -8m + -4n + -1n = 0

Combine like terms: 3m + -8m = -5m
-1 + -5m + -4n + -1n = 0

Combine like terms: -4n + -1n = -5n
-1 + -5m + -5n = 0

Solving
-1 + -5m + -5n = 0

Solving for variable 'm'.

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

Add '1' to each side of the equation.
-1 + -5m + 1 + -5n = 0 + 1

Reorder the terms:
-1 + 1 + -5m + -5n = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -5m + -5n = 0 + 1
-5m + -5n = 0 + 1

Combine like terms: 0 + 1 = 1
-5m + -5n = 1

Add '5n' to each side of the equation.
-5m + -5n + 5n = 1 + 5n

Combine like terms: -5n + 5n = 0
-5m + 0 = 1 + 5n
-5m = 1 + 5n

Divide each side by '-5'.
m = -0.2 + -1n

Simplifying
m = -0.2 + -1n

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