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yanalaym [24]
3 years ago
8

50pts and brainliest to whoever can solve this problem TWO ways: 3/7(x + 9)=12, 3/7 being a fraction

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
7 0

x = 19

Step-by-step explanation:

\begin{aligned}\frac{3}{7}\left(x+9\right)&=12\\3\left(x+9\right)&=12\times 7\\3x+27&=84\\3x&=84-27\\3x&=57\\x&=\frac{57}{3}\\ x&=\underline{\underline{\bf 19}}\end{aligned}

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