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X + y = 30 2x + 4y = 84 Substitution or Elimination I
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19 votes
X + y = 30

2x + 4y = 84

Substitution
or
Elimination
I

User Zehava
by
3.3k points

1 Answer

10 votes

Answer:

(X,Y)(18,12)

Explanation:

x + y = 30

2x + 4y = 84

___________

2x+2y=60

2x+4y=84

_________

-2y=-24/-2y

y=12

2x+4(12)=84

2x+48=84

2x=84-48

2x/2=36/2

X=18

User Steve Freeman
by
3.8k points
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