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The sum of 3 numbers is 131. the second of three numbers is seven more than twice the first. the third number is 12 less than the first

User Mayur Vora
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a+b+c = 131

b = 7 + 2a and c = a - 12
so a + 7+2a + a-12 = 131
then 4a -5 = 131
then 4a = 136
and a = 34....so b= 75 and c = 22....check 34+75+22=131√
User Nikolay Shmyrev
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