nate1808
22.08.2019 •
Mathematics
The cost for laminating varies directly with the number of pages laminated. a customer had 19 pages laminated and paid $16.15.
how much will the customer pay to have 31 pages laminated?
$
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Ответ:
Ответ:
x = 6
Step-by-step explanation:
First step is to distribute the 5(x + 2).
5x + 10 = 6x + 3x - 14
The 6x and the 3x on the right can be combined.
5x + 10 = 9x - 14
Now add 14 to both sides to isolate the 9x.
5x + 24 = 9x
Subtract 5x from both sides.
24 = 4x
Divide by 4 to get x by itself.
6 = x