Question

solve the following pair of linear equation by using the substituted method first X + Y is equal to 4 x minus 4 is equal to y ​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

X+Y=4.......1

X-4=Y

substitute y value in equation 1

X+(X-4)=4

X+X-4=4

2X-4=4

2X=4+4

2X=8

X=8/2

X=4

THEREFORE X=4..

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