Question

solve system of equations using substitution 3x+2y=1 , x-5y=6​

Answer 1

Step-by-step explanation:

3x +2y =1...........(1)

x-5y =6...........(2)

x=6+5y

Substitue the value of x =6-5y in equation (1)

3(6+5y)+ 2y =1

18+15y +2y =1

18+17y =1

17y=1-18

17y = -17

y = -17/17

y = -1

Substitute the value of y in equation (2)

x-5(-1)=6

x-(-5)=6

x +5=6

x =6-5

x = -1

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