lauren9261
29.01.2020 •
Mathematics
20=2u+6(u+6) what is the answer
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Ответ:
u=-2
Step-by-step explanation:
20 = 2u +6 (u+6)
20 = 2u +6u + 36
20 = 8u + 36
-16 = 8u
u=-2
Ответ:
u=-2
Step-by-step explanation:
20=2u+6u+36
-8u=16
u=16/-8
u=-2
Ответ:
13 shirts
Step-by-step explanation:
360 - 20s = 100 ( S= # of shirts)
-360 -360
-20s = -260
-20s/-20 = -260/-20
s = 13