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nikdorinn [45]
4 years ago
13

Simplify: a + 4b+9 +6a +2a

Mathematics
2 answers:
S_A_V [24]4 years ago
7 0

Answer:

a+6a+2a+4b+9

9a+4b+9

Anit [1.1K]4 years ago
3 0

Answer:

9a + 9 + 4b

Have a wonderful day!  :D

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A local hamburger shop sold a combined total of 763 hamburgers and cheeseburgers on Saturday. There were 63 more cheeseburgers s
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In order to solve this we'll start by assigning variables to hamburgers and cheeseburgers, since these are what we're trying to find. Lets say x = hamburgers and y = cheeseburgers. So we know two things, we know that x+y= 763 (hamburgers plus cheeseburgers sold equals 763, and we know that y= x+63 (cheeseburgers sold equals 63 more than hamburgers sold). Now we have a system of equations. This can be solved most easily by rearranging each equation to each y, and then set them equal to each other:
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