if 2^x+3=4^y-2 and 3^x-2=9^3y-2x then find value of x and y
Answers
Answered by
0
Answer:3x−2y=5............ (1)
3y−2x=3
−2x+3y=3
Multiply (1) by 2 & eq (2) by 3
6x−4y=10..........(3)
−6x+9y=19..........(4)
_______________
Adding eqn (3) and (4), we get
6x−4y=10
−6x+9y=19
___________
5y=1
y=
5
1
Putting the value in
6x−
5
4
=10
6x=10+
5
4
=
5
54
x=
5×6
54
=
5
9
x=
5
9
Now x+y=
5
9
+
5
1
=
5
10
=2$$
x+y=2
Step-by-step explanation:
Similar questions