40=40-10+7m

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Solution for 40=40-10+7m equation: 


Simplifying
40 = 40 + -10 + 7m

Combine like terms: 40 + -10 = 30
40 = 30 + 7m

Solving
40 = 30 + 7m

Solving for variable 'm'.

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

Add '-7m' to each side of the equation.
40 + -7m = 30 + 7m + -7m

Combine like terms: 7m + -7m = 0
40 + -7m = 30 + 0
40 + -7m = 30

Add '-40' to each side of the equation.
40 + -40 + -7m = 30 + -40

Combine like terms: 40 + -40 = 0
0 + -7m = 30 + -40
-7m = 30 + -40

Combine like terms: 30 + -40 = -10
-7m = -10

Divide each side by '-7'.
m = 1.428571429

Simplifying
m = 1.428571429

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