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franklinkaylieg1145
27.12.2019 •
Mathematics
In which question is r = -17 a solution?
a) 3 - 2r/4 = 10
b) 3/4 - 2r = 10
c) 3(r - 4) = 10
d) 3 - r/4= 10
Solved
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Ответ:
None
Step-by-step explanation:
Simply solve each linear equation and get value of R.
Or another way can be to put value of R in all four options and find whether left hand side is equal to right hand side or not.
A)![3-\frac{2R}{4}=10](/tpl/images/0434/2456/23bae.png)
R = -14
B)![\frac{3}{4}-2R =10](/tpl/images/0434/2456/d5f2b.png)
R = -37/8
C)![3(R-4)=10](/tpl/images/0434/2456/c00eb.png)
R = 22/3
D)![3-\frac{R}{4}=10](/tpl/images/0434/2456/0c29c.png)
R = -28
So, none of the option's are having solution R =-17.
Ответ:
the correct answer is D.