Question

x/4+y/3=5/12,x/2+y=1 find x+y

Answer 1

$2a {}^{2} + 7ab - 15b {}^{2}$

Answer 2

x/4 + y/3 = 5/12
3x + 4y =5...... (1)
x/2 + y = 1
x + 2y = 2 .....(2)

3x + 4y = 5
-- (3x + 6y =6)
________
- 2 y = - 1
y =1/ 2
x/2 +1/2 = 1
x/2 = 1/2
x = 1
y = 1/2
x + y = 1+1/2
=3/2