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Nadusha1986 [10]
3 years ago
10

1/4(x-1)+3x=2 solve for x.

Mathematics
2 answers:
IrinaK [193]3 years ago
7 0
\frac{1}{4}(x-1)+3x=2
\frac{1}{4}x-\frac{1}{4}+3x=2
\frac{1}{4}x+3x=2+\frac{1}{4}
\frac{13}{4}x=\frac{9}{4}   |:\frac{13}{4}
x=\frac{9}{4}*\frac{4}{13}
x=\frac{9}{13}


\frac{1}{4}(\frac{9}{13}-1)+3*\frac{9}{13}=2
\frac{1}{4}*(-\frac{4}{13})+\frac{27}{13}=2
-\frac{4}{52}+\frac{27}{13}=2
-\frac{1}{13}+\frac{27}{13}=2
\frac{26}{13}=2
2=2
L=R
lina2011 [118]3 years ago
5 0
The answer for x is 9/13. Hope it help!
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