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qwelly [4]
3 years ago
8

Use the substitution method to solve the system of equations. Choose the correct ordered pair.

Mathematics
1 answer:
balandron [24]3 years ago
7 0
Here you have 2 linear equations and are to solve this system.  Both equations have already been solved for y, so you can set one of them = to the other one:

-2x+11 = -3x+21.

Then 3x-2x = 21 - 11, or         x = 10 (answer)

Find y by subst. x = 10 into either of the given equations.

Solution is then (10, ? )
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