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8 x + 5 Y =9 and 3x+2y=4 by using elimination method |
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Answer» tion:8x+5y=9................[1]3x+2y=4................[2]MULTIPLYING both equations by 3 & 8 respectively (8x+5y=9)×324x+15y=27.............[3](3x+2y=4)×824x+16y=24.............[4]adding 3RD &4th EQUATION 24x+15y=2724x+16y=24- - -___________00+1y=3y=3.............(1)place y=3 in equation 18x+5y=98x+5×3=98x+15=98x=15+98x=24x=24÷8x=3 |
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