Question

solve the following pair of equation graphically 4 x minus y is equals to 4 , 3 x+2Y is equals to 14

Answer 1

Hiii,

4X-Y = 4
4X = 4+Y
X = 4+Y/4...(1)
3X+2Y = 14
put X = 4+Y/4
3(4+Y/4) + 2Y = 14
12+3Y/4+2Y = 14
Y = 4
put the value of Y in X= 4+Y/4
X = 4+4/4 = 8/4 = 2

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