1hannacarson
21.03.2020 •
Mathematics
What is the equivalent expression of 4(2× + 10y)
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Ответ:
8x + 40y
Step-by-step explanation:
Step 1: Distribute
4(2x + 10y)
(4 * 2x) + (4 * 10y)
(8x) + (40y)
8x + 40y
8x + 40y
Ответ:
answer:
let the 1st number = x
x + 3x/2 + 3x/2 * 4/5 + 6x/5 * 6/5
x + 3x/2 + 6x/5 + 36x/25 = 771
50x+75x+60x+72x=38550 multiply each side by 50.