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Solve the system using substitution. Check your solution. 5x - y = 78 2y = X The solution is (Simplify your answer. Type an integer or a simplified fraction. Type an ordered pair.)
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Solve the system using substitution. Check your solution.

5x - y = 78
2y
= X
The solution is
(Simplify your answer. Type an integer or a simplified fraction. Type an ordered pair.)

User Shubham Kumar Mahato
by
8.8k points

1 Answer

1 vote
5(2y)-y = 78
10y-y = 78
9y = 78
8.67 = y
if u need x then just plug in 8.67 as y
User Roman Kh
by
8.0k points
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