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Advocard [28]
3 years ago
12

How to solve -6x + 3y = 18 Y=2x - 2

Mathematics
2 answers:
posledela3 years ago
6 0
Let's solve this by substitution.  Note that y is defined:  y = 2x - 2.  Subst. 2x - 2 for y in the other equation:  -6x + 3(2x - 2) = 18.

Then -6x + 6x - 6 = 18.  Unfortunately, -6 does not equal 18, so there is no solution.  The graphs of these two lines are parallel.
ioda3 years ago
6 0
-6x + 3(2x-2)= 18

-6x + 6x - 6 = 18

-6 ¥ 18
no solution
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