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Inessa05 [86]
3 years ago
5

Solve for x. 9x - 18 = 7x + 30

Mathematics
1 answer:
viva [34]3 years ago
3 0

Answer: x = 24

Step-by-step explanation:

9x - 18 = 7x + 30

9x - 7x = 30 + 18

2x = 48

x = 48/2 = 24

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7 0
2 years ago
A washer and dryer cost $869 combined. The washer cost $81 less than the dryer. What is the cost of the dryer?
marysya [2.9K]
W+d=869
w=d-81
plug in
(d-81)+d=869
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÷2 both sides
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let's check w=475-81
w=394
475+394=869
869=869
the solution is true :)


7 0
3 years ago
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Answer:

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