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Solve systems of equations algebraically

solve each system of equations algebraically.

1. y=x+2
y=-3x

2. y=-x
y=-7x

3. y=x-6
y=2x

4. y=x-4
y=2x

5.y=x+20
y=6x

1 Answer

4 votes
(-1/2, 3/2)
(0,0)
(-4, -8)
(4, 24)

You can get these by setting each right side equal to it's pair. Then solve for x. You can then use your first answer to solve for y.
User Ben Dowling
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