2.x - 3y = 9; 2x + y = 13
Answers
Answered by
3
Answer:
from the equation 2x-3y=9
we get 2x=9+3y
so put the value of 2x=9+3y in equation 2x+y=13
so
9+3y+y=13
9+4y=13
4y=13-9
4y=4
y=1
then, put the value of y=1 in equation 2x=9+3y
then
2x=9+3(1)
2x=12
X=6
Similar questions