(5m+2n-4)-(2m-3n-7)=

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Solution for (5m+2n-4)-(2m-3n-7)= equation:


Simplifying
(5m + 2n + -4) + -1(2m + -3n + -7) = 0

Reorder the terms:
(-4 + 5m + 2n) + -1(2m + -3n + -7) = 0

Remove parenthesis around (-4 + 5m + 2n)
-4 + 5m + 2n + -1(2m + -3n + -7) = 0

Reorder the terms:
-4 + 5m + 2n + -1(-7 + 2m + -3n) = 0
-4 + 5m + 2n + (-7 * -1 + 2m * -1 + -3n * -1) = 0
-4 + 5m + 2n + (7 + -2m + 3n) = 0

Reorder the terms:
-4 + 7 + 5m + -2m + 2n + 3n = 0

Combine like terms: -4 + 7 = 3
3 + 5m + -2m + 2n + 3n = 0

Combine like terms: 5m + -2m = 3m
3 + 3m + 2n + 3n = 0

Combine like terms: 2n + 3n = 5n
3 + 3m + 5n = 0

Solving
3 + 3m + 5n = 0

Solving for variable 'm'.

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

Add '-3' to each side of the equation.
3 + 3m + -3 + 5n = 0 + -3

Reorder the terms:
3 + -3 + 3m + 5n = 0 + -3

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

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

Add '-5n' to each side of the equation.
3m + 5n + -5n = -3 + -5n

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

Divide each side by '3'.
m = -1 + -1.666666667n

Simplifying
m = -1 + -1.666666667n

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