Question

2×+3y-7 and 6×+5y -11 solution

Answer 1

2×+3y-7 and 6×+5y -11

solution

2×+3y-7 ===>  A)

6×+5y -11 ==> B)

Using equation A)

2x+3y-7

2x=7-3y

x=(7-3y)/2 ==>C)

put the value of x in equation B

6×+5y -11 ==> B)

6((7-3y)/2)+5y-11=0

42/2-18y/2+5y-11=0

21-9y+5y-11=0

10-4y=0

10=4y

y=5/2

or

y=2.5

put the value y in equation C)

x=(7-3y)/2 ==>C)

Y=2.5

x=(7-3(2.5))/2

x=(7-7.5)/2

x=-0.25