Use substitution to solve the following:

1)

y=x²

y=x+2

2)

y=x²+3

y=4x

3)

x²+4y=1

y=x+1

4)

x²-3y=-2

y=4+x

5)

x²-2y=-4

y=6-x

6)

x²+4y=9

y=x-3

7)

x²+5y=16

y+x=2

8)

y=x²-6x

3x-y=-10

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