4.2m+5=3m+7

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Solution for 4.2m+5=3m+7 equation:


Simplifying
4.2m + 5 = 3m + 7

Reorder the terms:
5 + 4.2m = 3m + 7

Reorder the terms:
5 + 4.2m = 7 + 3m

Solving
5 + 4.2m = 7 + 3m

Solving for variable 'm'.

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

Add '-3m' to each side of the equation.
5 + 4.2m + -3m = 7 + 3m + -3m

Combine like terms: 4.2m + -3m = 1.2m
5 + 1.2m = 7 + 3m + -3m

Combine like terms: 3m + -3m = 0
5 + 1.2m = 7 + 0
5 + 1.2m = 7

Add '-5' to each side of the equation.
5 + -5 + 1.2m = 7 + -5

Combine like terms: 5 + -5 = 0
0 + 1.2m = 7 + -5
1.2m = 7 + -5

Combine like terms: 7 + -5 = 2
1.2m = 2

Divide each side by '1.2'.
m = 1.666666667

Simplifying
m = 1.666666667

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