sabrinarasull1pe6s61
18.10.2020 •
Mathematics
Evaluate each expression.
1) 2 x 6+1+1
A) 13
B) 10
C) 14
D) 19
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Ответ:
c) 14
Step-by-step explanation:
2*6 + 1 + 1
following PEMDAS, the multiplication comes first.
2 * 6 = 12
12 + 1 + 1
14
Ответ:
x = 4.
Step-by-step explanation:
1.5(x + 4) – 3 = 4,5(x - 2)
1.5x + 6 - 3 = 4.5x - 9
6 - 3 + 9 = 4.5x - 1.5x
12 = 3x
x = 4.