What is the solution of the system?  3x + y= 8   4x-2y=3
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From the first equation y=8-3x so we can substitute for y in the second equation:

4x-2(8-3x)=3; 4x-16+6x=3; 10x=19, x=1.9 and y=8-5.7=2.3.

Substituting these values for x and y in the original equations gives us:

5.7+2.3=8 OK; 7.6-4.6=3 OK.

by Top Rated User (764k points)

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