math,algebra
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Solve each formula for n. 2n = 4xp6 3mn=4s r/n+2=p t=100(n+3) pv/nR=T 8a+2=6b In the first example, divide both sides of the equation by 2 In the second example, add n to both sides of the equation. Try these yourself. They
asked by nae on March 29, 2007 
math,correction
can someone correct these for me i'll appreciate it thank. dirctions: solve 3x7=2x+8 my answer: x = 15 directions: solve 2/5x=10 my answer: x = 25 Directions: solve 3(x+1)=2(x8)+3 my answer: x= 3.2 1 looks ok. Show your work
asked by jasmine20 on January 11, 2007 
math
how do you solve 9x=6 9x=6 Divide both side by 9. (Remember you can add, subtract, multiply, etc but do to both sides what you do to one.) 9x/9 = 6/9 The 9's divide out on the left leaving x. x = 6/9. I will let you reduce the
asked by jenny on August 24, 2006 
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
asked by jasmine20 on December 12, 2006 
MathCheck my answer
Solve the inequality. Explain all steps and identify the properties used. 3a4 less than or equal to 5 My answer: First, you add 4 to both sides: 3a  4 + 4
asked by Dani on November 1, 2016 
science
rearrange this equation 2 make x the subect. 6y = 9  3x so first i add 3x to both sides which makes it 3x  6y = 9 then do i divide both sides by 9 or wat?? can sum1 help me out here If they mean by "Make x the subject" the same
asked by missy on April 22, 2007 
simultaneous equations
Solve 2a + b = 3 4a  5b = 20 My attempt Multiply the first equation by 5 So, 10a + 5b = 15 4a  5b = 20 Add them together 14a = 35 Divide both sides by 14 a = 2.5 Substitute (I have done it with the second one) 10  5b = 20 Take
asked by hs on January 10, 2014 
simultaneous equations
Solve 2a + b = 3 4a  5b = 20 My attempt Multiply the first equation by 5 So, 10a + 5b = 15 4a  5b = 20 Add them together 14a = 35 Divide both sides by 14 a = 2.5 Substitute (I have done it with the second one) 10  5b = 20 Take
asked by hs on January 10, 2014 
math
the radius of a circle when the numeric values of the circumference and area are equal. circumference = 2*pi*r area = pi*r^2 Set them equal and solve for r. thanks! i understand it now! 2*3.14*r=3.14*r^2 6.28*r=3.14*r^2 r=3.14 Is
asked by christina on October 25, 2006 
algebra
how do I do this Solve for x. 3x – 2y = 6 Add 2y to both sides and then divide both sides by 3, to give you just "x' on the left side. so is this how i work it out 3x2y=6 3x 2y= 6 2y 3x=62y x= 2 +2y No. Add 2y to both sides.
asked by help on April 28, 2007