Answer:
5
Step-by-step explanation:
5(8) = 40
40 - 2(5) =30
(8, 5 )
Given
5x - 2y = 30 ← with x = 8, then substituting gives
(5 × 8) - 2y = 30
40 - 2y = 30 ( subtract 40 from both sides )
- 2y = - 10 ( divide both sides by - 2 )
y = 5
Thus the ordered pair is (8, 5 )
