Question

first equation 6x+3y=12 and second -6+4y=23​

Answer 1

Answer:

6x+3y=12 ---(i)

-6+4y=23 ---(ii)

from eq (i)

3y=12-6x

y=12-6x/3 ----(iii)

putting eq (iii) in eq (ii)

-6+4(12-6x)/3 = 23

-6+48-24x/3 = 23

-24+48-24x = 69

-24x=69-24

x=15/8

y=12-6x/3

y=3.375

x=15/8

y=3.375