Answer:
2
Step-by-step explanation:
-2y + 2y = 0
10 - 8 = 2
Add the variables that go together (-2y+2y=0) these cancel each other out. Now add the remaining numbers 10-8=2. Answer=2
about 8 dollars per person
7√x-9√x+10√2+√2 = √x ( 7 - 9) +√2 ( 10+1) = - 2√x + 11√2
t
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Could you give more detail?
