8x + 6y - 9 + 2x - 4y - 11
2 answers:
Answer: 10x+2y-20
Step-by-step explanation:
Combining like terms tells us that..
8x+2x=10x
6y-4y=2y and lastly
-9 - -11 = -20
Answer:
10x + 2y - 20
Step-by-step explanation:
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