SOLUTION: solve each of the following equations for the given variable d=rt, for r A=P+Prt, for r w=4/7 h + 3, for h P =a+b+c, for b

Question 134954: solve each of the following equations for the given variable
d=rt, for r
A=P+Prt, for r
w=4/7 h + 3, for h
P =a+b+c, for b
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
solve each of the following equations for the given variable
d=rt, for r
Divide both sides by t and you have;
= r
:
:
A=P+Prt, for r
;
Subtract P from both sides, results
A - P = Prt
Divide both sides by Pt, results:
= r
:
;
w=4/7 h + 3, for h
;
Multiply equation by 7 to get rid of the denominator
7w = 4h + 21
:
Subtract 21 from both sides;
7w - 21 = 4h
:
divide both sides by 4, results:
= h
Can be simplified to:
= h
:
:
P = a+b+c, for b:
Subtract a and subtract c from both sides, results:
P - a - c = b
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