30-43=21m-70

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Solution for 30-43=21m-70 equation:


Simplifying
30 + -43 = 21m + -70

Combine like terms: 30 + -43 = -13
-13 = 21m + -70

Reorder the terms:
-13 = -70 + 21m

Solving
-13 = -70 + 21m

Solving for variable 'm'.

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

Add '-21m' to each side of the equation.
-13 + -21m = -70 + 21m + -21m

Combine like terms: 21m + -21m = 0
-13 + -21m = -70 + 0
-13 + -21m = -70

Add '13' to each side of the equation.
-13 + 13 + -21m = -70 + 13

Combine like terms: -13 + 13 = 0
0 + -21m = -70 + 13
-21m = -70 + 13

Combine like terms: -70 + 13 = -57
-21m = -57

Divide each side by '-21'.
m = 2.714285714

Simplifying
m = 2.714285714

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