keyairareid7
30.01.2020 •
Mathematics
What is the value of y in the equation 4y – 2(1 – y) = –44?
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Ответ:
4y - 2 + 2y = -44
6y = -42
y = -7
hope it helps
Ответ:
(x + 1) (x + 2) / 2
Step-by-step explanation:
(x² − 4x − 5) / (x − 2) ÷ (2x − 10) / (x² − 4)
To divide by a fraction, multiply by its reciprocal.
(x² − 4x − 5) / (x − 2) × (x² − 4) / (2x − 10)
Factor.
(x − 5) (x + 1) / (x − 2) × (x − 2) (x + 2) / (2 (x − 5))
Reduce.
(x + 1) × (x + 2) / 2
(x + 1) (x + 2) / 2