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3. 5r-7=2r+14
4. 5(n-7)=2(n+41)
5. 3(x-2)=9x

User Reva
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1 Answer

3 votes
3) 5r-7 = 2r+14
3r=21
r= 7

4) 5(n-7)=2(n+41)
5n -35=2n+82
3n=117
n=39

5) 3(x-2)=9x
3x-6=9x
-6=6x
-1=x
User Harshana Narangoda
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