posted by .


Do you wish to solve for r?
Put r on one side and everything else on the other. First substract 3 from both sides.
3-3-3r = 4 - 3
-3r = 1
Multiply by -1
3r = -1
Divide both sides by 3
3r/3 = -1/3
r = -1/3

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Variable

    SOLVING EQUATIONS WITH THE VARIABLE ON BOTH SIDES Solve the equation. Then check your solution. 4x-9 = 7x+12 Just remember that one can add, subtract, multiply, divide, etc but whatever is done to one side must be done to the other …
  2. math

    A=1/2h (b1 + b2) Solve for b1 A=1/2h (b1 + b2) Solve for b1 I assume this is A = (1/2)(h)(b1 + b2); i.e., the h is in the numerator and not the denominator Multiply both sides by 2. 2A = (2*1/2)h(b1 + b2). 2*1/2 on the right side is …
  3. Algebra

    I don't understand how to do this problems: Solve for the variable r, C=2PIr (PI is the pi symbol thing then r is next to it) and this problem solve for the variable l, S=B+1/2Pl please help :) When you solve for a variable, you want …
  4. math, algebra

    Problem: A formula for a football player's rushing average r with a total of y yards rushed in n carries of the ball is r=y/n. Solve for n. I have no other information this is how its in the book how do i even solve for n if theres …
  5. Formulas and Literal Equations

    Have not a clue please help to figure this one out: P-Q=-R, for Q Do you wish to solve for Q?
  6. wut iz 3x+4=2x+7

    x+? wut iz 3x+4=2x+7 Last question I answer with wut iz. Subtract 2x from both sides. 3x-2x+4=2x-2x+7 combine terms. x+4=7 subtract 4 from both sides. x+4-4=7-4 combine terms x=3 The idea here is to get the unknowns on one side (in
  7. math--pre alg

    not sure i did right 3(f+2)+9=13+5f 3f+6+9 = 13+5f +9 3F+15 = 12+5F GOT MIXED UP SOMWERE HELP 3f +6 +9 = 13 + 5f 3f + 15 = 13 + 5f 2f = 2 f = 1 drwls is correct You are doing OK up to this point: 3f + 6 + 9 = 13 + 5f Now combine any …
  8. math

    2x+3y=6 (solve for x) 2x+3y=6 Get unknown on one side and everything else on the other side. To do this we ned to move 3y. How to do that?
  9. Maths

    you have to solve the following by finding the value of x and y. can u help please?
  10. Algebra

    Solve 2+ the square root of 4-x=x what is your question?

More Similar Questions