Solving systems of equations using substitution with both equations in y=mx+b PLEASE HELP ME I WILL GIVE BRAINLIEST. I WILL HAVE TO DO APE.X IF I DONT GET THESE RIGHT. THANKYOU!

1.
y = x + 11 y = 1 + 11
y = 12x y = 12
x + 11 = 12x
11 = 11x
x = 1
(1, 12)
2.
y = 2x - 1
y = x + 1
2x - 1 = x + 1
x = 2
y = 2(2) - 1
y = 3
(2, 3)
3.
4x + 6 = 2x +2
2x = - 4
x = -2
y = 2(-2) + 2
y = -2
(-2, -2)
4.
-4x + 10 = -2x
-2x = - 10
x = 5
y = - 10
(5, -10)
5.
3x - 2 = -2x + 3
5x = 5
x = 1
y = 1
(1, 1)
6.
-7x - 4 = x + 4
-8x = 8
x = -1
y = 3
(-1, 3)