Asked by Andrea
Solve for y,
xy + x = -3
How do you do this? I can't seem to come up with the correct answer...
xy + x = -3
How do you do this? I can't seem to come up with the correct answer...
Answers
Answered by
Andrea
How in the world do you do this? I'm so confused. Thank you all for your time and help...
-2 < 2x - 5 < 3
-2 < 2x - 5 < 3
Answered by
Steve
just isolate all the y terms on te left:
xy = -3-x
now divide by x:
y = (-3-x)/x = -3/x - 1
as long as x≠0
xy = -3-x
now divide by x:
y = (-3-x)/x = -3/x - 1
as long as x≠0
Answered by
Steve
-2 < 2x - 5 < 3
add 5 to all parts:
-3+5 = 2x-5+5 < 3+5
2 < 2x < 8
now divide by 2:
1 < x < 4
These are not always so simple. You might have to separate into two problems to be solved separately:
-2 < 2x-5 and 2x-5 < 3
add 5 to all parts:
-3+5 = 2x-5+5 < 3+5
2 < 2x < 8
now divide by 2:
1 < x < 4
These are not always so simple. You might have to separate into two problems to be solved separately:
-2 < 2x-5 and 2x-5 < 3
Answered by
Andrea
Thank you Steve for your help!
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