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Verified Answer :

cocoabeanz

Let's solve your equation step-by-step.

3m+1m−7+3m=21

Step 1: Simplify both sides of the equation.

3m+1m−7+3m=21

Simplify: (Show steps)

7m−7=21

Step 2: Add 7 to both sides.

7m−7+7=21+7

7m=28

Step 3: Divide both sides by 7.

7m/7=28/7

m=4

Answer:m=4

3m + 1m -7 + 3m = 21
3m + 1m -7 + 3m = 21
                +7            + 7  
3m + 1m +3m =28
7m =28
7m/7 =28/7
m=4 

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