From the set {1, 3, 5}, use substitution to determine which value of x makes the equation true.
10x + 8 = 38
A. none of these
B. 1
C. 3
D. 5
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OpenStudy (anonymous):
WIll medal and fan
JoelTheBoss (joel_the_boss):
Do you anything about this?
JoelTheBoss (joel_the_boss):
@trinajoy Im going to take that as a no....
OpenStudy (anonymous):
sorry iwas helping someone
OpenStudy (anonymous):
i thought is would be A.
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JoelTheBoss (joel_the_boss):
Ok, For this type of problem all you must do is plug in the number.
I will start with 3, 10x+8=38 \[10(3)+8=38\]\[10\times3=30\] \[30+8=38\]\[38=38 \]So it would be true! 3 is the correct choice. :)
JoelTheBoss (joel_the_boss):
Hope I helped. :)
OpenStudy (anonymous):
Thank u would u mind is u can help with a few more :)
OpenStudy (anonymous):
U did Thank u
OpenStudy (anonymous):
i just have a few more case am doing a test of 28 questions and it is do today :( so i don't have much time
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JoelTheBoss (joel_the_boss):
tag me :)
OpenStudy (anonymous):
Which value for x makes the sentence true?
A.
B.
C.
D.
OpenStudy (anonymous):
it's fractions hold on
OpenStudy (anonymous):
1/2X = 9/10 this is the questions
OpenStudy (anonymous):
A.7/5 B.9/20 C.2/5 D.9/5
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