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Solve the simultaneous equations 6 x + 5 y = 20 5 x + 2 y = 21 |
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Answer» Step-by-step explanation: 6x+5y=20 6x=20-5y ------------------ 5x+2y=21 5 (20-5y/6)+2y=21 100-25y/6+2y=21 100-25y+12y/6=21 100-13y=126 100-126=13y -26/13=y y= -2 -------- x=20-5y/6 20-5 (-2)/6 20+10/6 30/6 x = 5 ---------- FOLLOW For More....
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