erikamaldonado661
24.01.2020 •
Mathematics
Simplify the following expression.
(28x - 7y) + (32x + 52y)
a. 21x + 45y
b. 60x + 45y
c. 60x + 59y
d. 21x + 59y
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Ответ:
(28x - 7y) + (32x + 52y) = 28x - 7y + 32x + 52y = 28x + 32x - 7y + 52y = 60x + 45y
The correct result would be B. 60x + 45y.
Ответ:
though don't really understand the question
Step-by-step explanation:
i would say
y= nx
y=180
so 180=n5
divide both sides by 5
180/5= 36
the answer is D= 36