Question

What is Y-x=4 x+y=6 system by substitution

Answer 1

x=1 y=5

Explanation:

y-x= 4

to find y

add x to both sides

y=4+x

x+y= 6

substitute y in

x+4+x=6

4+2x=6

subtract 4 from both sides

2x=2

x=1

substitute x=1

1+y=6

subtract 1 from both sides

y=5