2m-4=42

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Solution for 2m-4=42 equation: 



2m-4=42

We move all terms to the left:

2m-4-(42)=0

We add all the numbers together, and all the variables

2m-46=0

We move all terms containing m to the left, all other terms to the right

2m=46

m=46/2

m=23

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