Answer:
C
Step-by-step explanation:
0(x) + BY=c
0 + By = c
By = c
divide both sides by BY
BY/by = c/By
= c/by
the answer to your question is yes, but the answer to #21 is ;
mn
pn
ml
lp
35
x-18=y
y*-3=-51
y=17
x-18=17
17+18=x
x=35