Question 966118: 8 added to twice a number and this sum is multiplied by 6 = the number multiplied by 7 plus 13 what is the number Answer by macston(5194) (Show Source):
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n=the number
6(2n+8)=7n+13
12n+48=7n+13 Subtract (7n+13) from each side.
5n+35=0 Subtract 25 from each side
5n=-35 Divide each side by 5
n=-7
ANSWER: The number is -7.
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CHECK:
6(2n+8)=7n+13
6(2(-7)+8)=7(-7)+13
6(-14+8)=-49+13
6(-6)=-36
-36=-36
