Question

solve the simultaneous equation?
3x-4y=15_____1
x+y=-2______2​

Answer 1

good evening all the best

Answer 2

Step-by-step explanation:

3x-4y=15_____1

x+y=-2______2

multiplying equation 2 by 4

4x+4y=-8__________3

adding equation 1 and 3

7x=7

x=1

putting the value of x in equation 2

1+y=-2y=-3