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Prealgebra
Solve. 29x – 2(9x – 0.455) = 10x + 0.525 Give us you thinking on this so we can help you solve the equation. What is it you don't understand about solving this eqution? 29x –2(9x – 0.455) = 10x + 0.525 29x – 18x – 0.91
asked by Tammy Evert on July 16, 2006 
Maath
Solve the equation for the indicated variable. 4x3a(10x+7a)=0 solve for x This is all I know how to do & don't know if it's even right. 4x3a(10x+7a)=0 solve for x 4x3a10x7a=0 6x10a=0
asked by Courtney on August 24, 2010 
MATH
5x4y= 3 2x + 7y= 5 How to solve this linear system shown above by using elimination strategy ? (5x4y= 3) *2 >10x  12y= 6 (2x + 7y= 5) *5 > 10 +35y= 25 ___________________________________________ 47y = 19 y = 19/47 10x 
asked by td on April 12, 2015 
how about his one
7+ 5x = 10x2? im not sure I know its 1, but im not sure how. 7 + 5x = 10x  2 Since we need to get the unknowns on one side and the knowns on the other side and change their signs: 5x  10x = 7  2 5x = 5 x = 1 wait how did
asked by chrissy on August 1, 2007 
Algebra
Can someone please help solve this? Solve by using addition or substitution or addition. 10x+2y=7 y=5x+3 the answer my got was x=11/10 y=2 My teacher said that was wrong. Never mind this post I found out how to solve it. Try
asked by jessica on May 9, 2007 
math
1. Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25
asked by kelsey on May 23, 2014 
algebra
Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a.) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25
asked by emily on May 20, 2014 
Math
Find the equation of the tangent line 5x^2+y^2=14 at (1,3). P.S: It's calculus. So far I know this much 10x+2y(dy/dx)=o 10x 10x ___________________ 2y(dy/dx)= 10x (dy/dx)= 10x/2y= 5x/y m= 5(1)/3= 5/3 y=mx+b 3= 5/3(1)+b
asked by Skye on February 7, 2008 
Math Algebra 1
i was wondering if anyone could help me on this problem. expand: x^2 (y^2 + 10x) z^3 (5x + 3z^4) First one: x^2 (y^2 + 10x) x^2 is the same thing as 1/x^2. Therefore, we have this: 1/x^2 (y^2 + 10x) Multiply using the
asked by cassii on August 8, 2006 
Algebra 2
"My husband's age," remarked a lady the other day, "is represented by the figures of my own age reversed. He is my senior, and the difference between our ages is oneeleventh of their sum." 10x + y = husband's age 10y + x = wife's
asked by Anonymous on October 25, 2011 
Math
Solve each equation by completing the square. 36x=8x^2+28 8x^23x=5 5x^2x6=0 6x^224x30=0 7x^2+8x12=0 10x^2 9x+1=0 5x^2x=4 11x^28x=7x10 3 1/3x^2+ 10x 27 1/2= 231/3
asked by Monte' on November 10, 2007