Question

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

Answer 1

Answer:

x + y = 4

x = 4 - y

Substituting the value of x in the second equation

3x - 2y = 3

3(4 - y) - 2y = 3

12 - 3y - 2y = 3

-5y = 3-12

-5y = -9

5y=9

y= 9/5