2m+5(m-4)=9

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Solution for 2m+5(m-4)=9 equation:


Simplifying
2m + 5(m + -4) = 9

Reorder the terms:
2m + 5(-4 + m) = 9
2m + (-4 * 5 + m * 5) = 9
2m + (-20 + 5m) = 9

Reorder the terms:
-20 + 2m + 5m = 9

Combine like terms: 2m + 5m = 7m
-20 + 7m = 9

Solving
-20 + 7m = 9

Solving for variable 'm'.

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

Add '20' to each side of the equation.
-20 + 20 + 7m = 9 + 20

Combine like terms: -20 + 20 = 0
0 + 7m = 9 + 20
7m = 9 + 20

Combine like terms: 9 + 20 = 29
7m = 29

Divide each side by '7'.
m = 4.142857143

Simplifying
m = 4.142857143

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