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math
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 
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
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Help 5!!!
5. Find the x and y intercepts of each linear equation. Be sure to write your answers as ordered pairs. y = 3x  6 6y = x + 2 On the second equation, change it to read y= ...,. Divide both sides of that equation by 6 to get the
asked by Margie on October 13, 2006 
algebra
I need a step by step explanation on how to add these two equations 2x+3y=1 5x+3y=16 Subtract the first equation from the second. (Subtract left and right sides separately). This gives you 3x = 15 Then divide both sides by 3. x =
asked by Tony on March 20, 2007 
MATH PLEASE CHECK IT!!2
m2/m5*m+5/m2=1 If your problem is this: (m  2)/(m  5) * (m + 5)/(m  2) = 1 (m  2) cancels out in both the numerator and denominator on the lefthand side since you are multiplying. That leaves us with this: (m + 5)/(m 
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algebra
solve each literal equation for the indicated variable linear equation for x 2x+3y=6 can some one give me a example and show me how the steps go to solve this problem please Subtract 3y from both sides of the equation, and then
asked by tom on March 18, 2007 
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
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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, 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