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garik1379 [7]
3 years ago
10

70-q-q-2q=80 We'll this is confusing

Mathematics
2 answers:
Vsevolod [243]3 years ago
6 0
<em>70-q-q-2q=80</em>
<em>or, 70 - 2q - 2q = 80</em>
<em>or, 70 - 4q = 80</em>
<em>or, -4q = 80 - 70</em>
<em>or, -4q = 10</em>
<em>or, q = 10/-4</em>
<em>or, q = -2.5   (ans)</em>
Rudiy273 years ago
3 0
70 - q - q - 2q = 80

-4q = 80 - 70

-4q = -10
q = -10/-4

q = -2.5 
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