francisco42002
01.01.2020 •
Mathematics
The 5 in 6.052 has 1/10 the value of the 5 in? is it 4.45, 53.2, 7.5 or 0.815?
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Ответ:
Ответ:
Hello from MrBillDoesMath!
x = 7/10
Discussion:
To eliminate fractions multiply each side by 10:
10 ( 9/5x - 2/5 ) = 10 * ( 8x +3)/10 or
10 * ( 9/5)x - 10 *(2/5) = 8x + 3 or
9 *2 x - 2*2 = 8x +3 or
18x - 4 = 8x + 3. Subtract 8x for each side:
18x - 8x - 4 = (8x - 8x) + 3 or
10x -4 = 0x + 3 or
10x -4 = 3 or
10x = 7
x = 7/10
Thank you,
MrB