Question

Please help me with this!!

Answer 1

5x+3y=-6 ...(1)

2x-3y=27 ...(2)

We can add equations (1) and (2) to eliminate y . So,

7x+0=21

7x=21

$\frac{7x}{7} =\frac{21}{7}$ Divide each sides by 21 to isolate x.

So, x= 3

Now plug in x=3 in equation (1) to get the value of y.

So, 5(3)+3y=-6

15 +3y= -6

15+3y-15=-6-15

3y= -21

$\frac{3y}{3} =\frac{-21}{3}$

So, y=-7.

Hence, x=3 and y=7.