Question

Solve the simultaneous equation x-2y+3=0 and 3x+2y=7

Answer 1

Answer:

x=1

y=2

Solution:

3x+2y= 7 eq. 1

x-2y= -3 eq. 2

Thus on adding the two equations

3x+2y+x-2y = 7-3

4x+0=4

x=1

Substitute the Value in eq 1

3×1+2y=7

2y=7-3

2y=4

y=2