2 answers:
Answer: -4y + 4
Step-by-step explanation: 12 + 3y - 8 - 7y
12 + 3y + -8 + -7y
(3y + -7y) + (12 + -8)
= -4y + 4
12-8= 4
3y-7y= -4y
Answer: 4 - 4y
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