Answer:
Step-by-step explanation:
add the top of one and the bottom of the other then the top of the other and the bottom of one
5x + 2 must be equal to 17. Subtract to from both sides, then divide both sides by 5 and x = 3. 3y - 6 must equal 21. Add 6 to both sides, then divide both sides by 3, and y = 9.
Answer:
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