If 3y + 3 = y + 7 is the same as y + y +y + 1 + 1 + 1 = y + 1 + 1 + 1 + 1+ 1 + 1 + 1, then how can we isolate 'y' without disrup
2 answers:
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Answer:
1. The second number line, the third number line, the first number line.
2.