Question

Solve this linear equation using substitution. (Please show work!)

X + Y = 7

7x + y = 1

Answer 1

The answer is 7=1-7x

Answer 2

y=1-7x

Explanation:

7x+y=1

The first thing to do is get the y by its self. So u cancel the 7x out by-7x and bring it to the other side.

7x-7x = 0

Now all we have left is: y=1-7x

Hope it helps and is right.