Question

solve the equation by the method of elimination. 3a + 5b= -9 ; 2a+sb = -11.​.​

Answer 1

Step-by-step explanation:

3a+5b=-9...i

2a+5b=-11...ii

subtracting I from ii, we get,

a=2

therefore from i, we get,

y=3

Answer 2

Answer:

x+y=5+3x+2y=83x2+2y2=40x2y2=3−2−40x2y2=−39