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kissyalexen
14.03.2022 •
Mathematics
Solve the equation 3/x-4=1/5
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Ответ:
The very first thing we want to do in this equation is to isolate x on one side (preferably the left side).
3/x - 4 = 1/5
We get rid of any constants first, by performing the inverse property;
The inverse property of subtraction is addition, so we add 4 to both sides:
+4 +4
3/x = 4 1/5
3 is being divided by x, so the inverse operation of division is multiplication. So we multiply by 1/3 on both sides.
x1/3 x1/3
X = 1 4/10 which simplifies to 1 2/5.
Ответ:
600
when two hours have passed sinces
600+ 50x=y
600+50(2)=700