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abemorales
30.11.2020 •
Mathematics
Simplify:
-10(x – 7) – 3x
A. -13x + 70
B. -13x + 3
C. 7x + 7
D. 7x + 10
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Ответ:
A
Step-by-step explanation:
First, we can FOIL the term "
":
Back into the original equation:
Combine like terms:
Hope this helps!
Ответ:
Step-by-step explanation:
The area of solutions of the first inequality lies above an orange straight line.
The area of solutions of the second inequality lies below a blue straight line.
These areas are crossed in the yellow field.
The green field does not meet a condition of the second inequality and therefore does not enter the area of the solution of a system of inequalities