Ask a New Question
Search
Questions and answers by
LiNda
Answers (2)
8x-3y=-6 >> 8x=-6/3y >> x=-6/24y then: 8(-6/24y)-3y=-6 (-6y/3)-3y=-6 (-6y-9y)/3=-6 -3y/3=-6 y=6 then: 8x-3*6=-6 8x-18=-6 8x=-6+18 8x=12 x=12/8=3/2 so: X=3/2, Y=6
5sinx+2cos^2x-2sin^x-3=0 5sinx+2-2sin^2x-2sin^2x-3=0 4sin^2x-5sinx+1=0