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Answer:
7k
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Step-by-step explanation:
We are trying to combine like terms with the expression: -k - ( - 8k)
We are pretty much solving it.
Solve:
-k - ( - 8k)
The "- ( -" turns into a plus sign.
So it would look like:
-k - -8k or -k + 8k
Now, you would finish solving
-k + 8k = 7k
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Answer:
39-6a
Step-by-step explanation:
(4 - a) - 5(a - 7) Distribute the -5 throughout (a-7)
4 - a - 5a + 35 Combine like terms
4 + 35 - a - 5a
39 - 6a
X=75/17 i did the math and got that answer
Company A : 13 + 30m.....where m = # of mattresses
company B : 15 + 28m.....where m = # of mattresses
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company A : cleaning 4 mattresses : 13 + 30(4) = 13 + 120 = 133
company B: cleaning 4 mattresses : 15 + 28(4) = 15 + 112 = 127
so company B would charge less
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company A : cleaning 7 mattresses : 13 + 30(7) = 223
company B: cleaning 7 mattresses: 15 + 28(7) = 211
so by using company B, u would save : 223 - 211 = $ 12
Answer:
6. -200+75= -125
7. -40+-17= -57
8. 6+-9= -3+7=4+-5= -1
5+3=8+-6= 2
11+-12= -1+-3= -4+4=0
Correct answer: Cory goes first
Step-by-step explanation:
