SOLUTION: I am having a difficult time with these problems any help would be appreciated. I think I am trying to make this harder than what it is. That is usually what I do. Could you Pleas

Question 8308: I am having a difficult time with these problems any help would be appreciated.
I think I am trying to make this harder than what it is. That is usually what I do. Could you Please show how you got the answer. Thank You!
here are the instructions:
Solve Each Equation x/2 + x/5 + x/3 = 31
Solve each formula for the indicated variable. R(r1 + r2) = r1r2, for R
Solve for x. State any restrictions on the variables. b(5px-3c) = a(qx-4)
3ax/5 - 4c= ax/5
Answer by Earlsdon(6287) (Show Source):
You can put this solution on YOUR website!
1)Solve:
Add the fractions on the left side. Common denominator is 30.

Multiply both sides by 30.
Divide both sides by 31.

2)Solve for R Divide both sides by (r1+r2)

3) Solve for x. Divide both sides by b.
Separate the right side into 2 terms.
Add 3c to both sides.
Subtract from both sides.
Factor the x from the left side.
Simplify both sides then divide both sides by
= Cancel the b's
Restriction: aq may not = 5bp
4) Solve Add 4c to both sides.
Subtract ax/5 from both sides.
Multiply both sides by 5.
Divide both sides by 2a and simplify.
Restriction: a cannot = 0