Question

solve by substitution method x+y=4 3x-2y=-3​

Answer 1

Answer:

Step-by-step explanation:

X + y= 4

X=4-y ________(1)

3x-2y=-3

3(4-y) -2y = -3

12-3y -2y =-3

5y=15 and y =3 andx=1

Answer 2

x=4-y.......equation 1

3x-2y=-3.........eq 2

put eq 1 in 2

3(4-y)-2y=-3

12-3y-2y=-3

12-5y=-3

-5y=-3-12

-5y=-15

5y=15

y=3.......eq 3

x+y=4.......eq 4

put eq3 in eq 4

x+3=4

x=1

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