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Debora [2.8K]
3 years ago
9

If 10a=6b+7 and a-6b=34, then what is the value of -1/3a?

SAT
1 answer:
jonny [76]3 years ago
7 0
The answer would be B)1
you would add 6b on each side of the second equation and then substitute that equation in for a in the first equation and solve.
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