Answer:
y = 9
Explanation:
Given
- 7x + 2y = 4 ← substitute x = 2 into the equation
- 7(2) + 2y = 4
- 14 + 2y = 4 ( add 14 to both sides )
2y = 18 ( divide both sides by 2 )
Solution is x = 2, y = 9
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