mccartney33
17.11.2020 •
Mathematics
This is beginning review and i for got how to do it pls help me find what x=
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Ответ:
3(x−1)=18
x=7
Step-by-step explanation:
\frac{3\left(x-1\right)}{3}=\frac{18}{3}
x-1=6
x-1+1=6+1
x=7
Hope I helped
brainliest plz
Ответ:
Step-by-step explanation:
1.50x + 10[x/30] >= 450
x >= 246.3
check:
1.50*246 + 10*8 = 449
$450