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

2 answers:

6 0

70-q-q-2q=80
or, 70 - 2q - 2q = 80
or, 70 - 4q = 80
or, -4q = 80 - 70
or, -4q = 10
or, q = 10/-4
or, q = -2.5 (ans)

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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