Question

Solve the system of equations without graphing. Show your reasoning.
2y=x-4
4x + 3y = 5

Answer 1

the answers are x=-1 and y=-2

Explanation:

becuz mafs

Answer 2

x=2 and y= -1

Explanation:

1) we transform first equation

2y= x-4

2y +4= x

So x= 2y+4

2) we insert equation from 1) into second equation

4*(2y+4)+3y=5

8y+16+3y=5

11y+16=5

11y= -11

y= -1

3) insert y into 1)

x= 2*(-1)+4

x= -2+4

x= 2