A. 5x=1 B. 3=15 C. -4x=-20 D.60=10x
So we plug 5 in for x to each
a. 5(5)=25=1? nope
b.3=15 No x, this is just a wrong statement.
c. -4(5)=-20=-20 CHECK
d. 10(5)=50=60 NOPE
SO, our answer is C.
Let me know if you have any questions :)
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