-7x-6y=-1 5x-4y=1 solving system of equations (eliminations, dounle multiplication)can you show the work please??

1 answer
Question:

-7x-6y=-1
5x-4y=1
solving system of equations (eliminations, dounle multiplication)
can you show the work please??

Answers

cancel somethingwe cancel x'smultiply 1st equation by 5 and 2nd by 7 and add them-35x-30y=-535x-28y=7 +0x-58y=2-58y=2divide both sides by -58y=-1/29sub back5x-4(-1/29)=15x+4/29=1minus 4/29 from both sidesnote, 1=29/295x=25/29divide bot sides by 5 (or times 1/5)x=5/29(5/29,-1/29)

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