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For the simultaneous equations 3x-8y=5 and x +2y=1 the value of x and y ? |
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Answer» (x,y) = (-1,1)Step-by-step explanation:3x-8y=5 -------(1)x+2y=1--------(2)MULTIPLY EQN (2) by 33x+6y=3-------(3) SUBSTRACT (1)&(3) 3x-8y=5- 3y+6y=3------------------ 2y=2y= 2/2 = 1put y=1 in (1) 3x-8(1)=53x-8=53x=5-8= -3x=-3/3 = -1Thats why...... X= -1 and y=1 plzzzzz LIKE and follow me...... |
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