Homework Help: math

Posted by Amy on Sunday, October 12, 2008 at 6:48pm.

please help me figure out how to do thes problems

4. y/2+5=-12

6. x/3-9=0

7. 14+h/5=2

THIS IS IMPROTANT Y/2, X/3 AND H/5 ARE FRACTIONS. it doesnt mean divide its fractions thats why i need help plse tell me how you did it so i can figure out the rest of my problmes

math - Damon, Sunday, October 12, 2008 at 6:52pm
Well, actually fractions and divide are pretty similar.
now for example
(y/2) + 5 = -12
add -5 to both sides
(y/2) +0 = -17
multiply both sides by 2
y = -34
math - Amy, Sunday, October 12, 2008 at 6:54pm
thx you so much i was so confused
math - Bridget, Sunday, October 12, 2008 at 6:56pm
4. y/2 + 5 = -12 (use the inverse operation to get rid of the 5)
y/2+5(-5)= -12 (-5)
y/2=-17 (isolate the variable, aka, multiply both sides by 2, to get your answer of...)
y= -34

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