7m+3-4n=-9

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Solution for 7m+3-4n=-9 equation: 


Simplifying
7m + 3 + -4n = -9

Reorder the terms:
3 + 7m + -4n = -9

Solving
3 + 7m + -4n = -9

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 + 7m + -3 + -4n = -9 + -3

Reorder the terms:
3 + -3 + 7m + -4n = -9 + -3

Combine like terms: 3 + -3 = 0
0 + 7m + -4n = -9 + -3
7m + -4n = -9 + -3

Combine like terms: -9 + -3 = -12
7m + -4n = -12

Add '4n' to each side of the equation.
7m + -4n + 4n = -12 + 4n

Combine like terms: -4n + 4n = 0
7m + 0 = -12 + 4n
7m = -12 + 4n

Divide each side by '7'.
m = -1.714285714 + 0.5714285714n

Simplifying
m = -1.714285714 + 0.5714285714n

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