leylaanddade
31.08.2020 •
Mathematics
-3(2x - 7) + 4x = 15
solve for c
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Ответ:
x=3
Step-by-step explanation:
-6x+21+4x=15
-2x+21=15
-2x=15-21
-2x=-6/2
x=3
Ответ:
Step-by-step explanation:
the perimeter is when you add all around so add 10+6+8
= 24