Question

2x-y=1 ; 4x+3y=7
find x and y by subsitution

Answer 1

Answer:

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Answer 2

Answer:

x=1

y=1

Step-by-step explanation:

2x-y=1

y=2x-1

4x+3y=7

put y=2x-1 in 4x+3y=7

4x+3(2x-1)=7

4x+6x-3=7

10x=10

x=1

put x=1 in y=2x-1

y=2(1)-1

y=1