70-4m=20

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Solution for 70-4m=20 equation: 


Simplifying
70 + -4m = 20

Solving
70 + -4m = 20

Solving for variable 'm'.

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

Add '-70' to each side of the equation.
70 + -70 + -4m = 20 + -70

Combine like terms: 70 + -70 = 0
0 + -4m = 20 + -70
-4m = 20 + -70

Combine like terms: 20 + -70 = -50
-4m = -50

Divide each side by '-4'.
m = 12.5

Simplifying
m = 12.5

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