Mathematics
Mathematics, 21.11.2019 22:31, isabellemaine

For the following system if you isolated x in the second equation to use the substitution method what expression would you substitute into the first equation?
2x+y= 8
-х – зу = -12

a. зу + 12
b.-3y + 12
c. зу – 12
d.-3y - 12

answer
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