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Shtirlitz [24]
3 years ago
6

X=5-3Y X=2Y-10 Whats the answer

Mathematics
2 answers:
Scrat [10]3 years ago
8 0
Y=3

x=-4

you have to use substitution. so instead of the equations having two variables, they will now have one. 

5-3y=2y-10    after solving for y, plug the answer in any of the equations and you will find x.
prohojiy [21]3 years ago
6 0
X = 5 - 3y
x = 2y - 10

5 - 3y = 2y - 10
<u>  + 3y + 3y        </u>
       5 = 5y - 10
  <u>+ 10        + 10</u>
     <u>15</u> = <u>5y</u>
      5      5
       3 = y
x = 2y - 10
x = 2(3) - 10
x = 6 - 10
x = -4
(x, y) = (-4, 3)
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