maxraph108
21.10.2019 •
Mathematics
4(2k – 1) +9k - 15 simplify expression
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Ответ:
k - 11
Step-by-step explanation:
Firstly, we have to distribute: -8k + 4 + 9k - 15
Collect like terms: 1k - 11 OR k - 11
Ответ:
Line up the numbers on the right - do not align the decimal points.
Starting on the right, multiply each digit in the top number by each digit in the bottom number, just as with whole numbers.
Add the products.
Step-by-step explanation: