Question

solve the 2x+3y=12and x+2y=7 equation by substitution method​

Answer 1

Answer:

x=3 y=2

Step-by-step explanation:

2x+3y=12...i

x+2y=7

x=7-2y...ii

putting the value of x in (i)

2x+3y=12

2(7-2y)+3y=12

14-4y+3y=12

-y=12-14

-y=-2

y=2

x=7-2y

x=7-2*2

x=7-4

x=3