ciel8809
10.10.2020 •
Mathematics
-104 = -2(2 + 6r) - 4
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Ответ:
r= 9.3333333 (repeating)
Step-by-step explanation:
-104= -4-12r-4
-12r-8= -104
-12r= -112
r= -112/-12
r= 9.3333333 (repeating)
Ответ:
The 3rd one, 10.5+(-7.5)+12
Step-by-step explanation:
If something is +(-), the answer is minus.
So therefore 10.5-7.5+12 would be our answer
Which is equivalent to the original expression
Hope this helps!