7m+9n=140

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Solution for 7m+9n=140 equation:


Simplifying
7m + 9n = 140

Solving
7m + 9n = 140

Solving for variable 'm'.

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

Add '-9n' to each side of the equation.
7m + 9n + -9n = 140 + -9n

Combine like terms: 9n + -9n = 0
7m + 0 = 140 + -9n
7m = 140 + -9n

Divide each side by '7'.
m = 20 + -1.285714286n

Simplifying
m = 20 + -1.285714286n

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