Question

could you help I am doing some home work and i cant get these 2

8. y = –x + 2
y = 3x – 1




13. –4x + 3y = –12
–2x + 3y = –18

Answer 1

substitution?

Answer 2

for the first one, set them equal and solve

Answer 3

y = –x + 2
y = 3x – 1

yes, moreover equate both y...

so, 3x-1 = -x +2

3x+x = 2 +1
4x = 3

x =3/4... and y = -x+2 = -3/4 + 2 = 5/4...

Answer 4

For the second one, subtract equation 1 & 2.. such that y gets cancelled and solve for x..
after you find x, substitute in any of the equation and find y...

Answer 5

thx

Answer 6

W/c .. :)