Posted by kate on Sunday, September 5, 2010 at 3:22am.
how to simplify and solve
2/5(20x+5)1/2(84x)=38

algebra 1  Andrew, Sunday, September 5, 2010 at 4:10am
1. find a common multiple for the denominators of both fractions.
2. combine the fractions together. do not expand the numerator first.
3. cross multiply.
4. expand the terms
5. make x the subject.
6. solve.

algebra 1  drwls, Sunday, September 5, 2010 at 8:33am
Here is a better way.
Perform the indicated multiplications and combine terms
(2/5)(20x+5)  (1/2)(84x) = 38
8x +2 4 +2x = 38
10x = 40
x = 4
Answer This Question
Related Questions
 AlgebraPlease check  5  sqrt of 20x + 4 >= 3 5 20x + 4 >= 3 54  ...
 math  Simplify the given equation. 17x  6 + 3x  5 = x + 11 + 4x A)20x  11 = ...
 math,correction  Directions:Multiply Problem: ((x)/(3)+(3)/(4)) ((3x)/(4)(3)/(...
 Algebra  equations and inequalities unit test for questions 15, solve the ...
 Algebra  simplify: [(2x^2+5x6)/(5x^2+7x6)]*[(20x^27x3)/(6x^225x+4)]/[(4x^2...
 math  5(3+4x)6>=129 I get 2 different answers on this one. 15+20x6>=129...
 Algebra  1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 2...
 Microbiology  You need 3.5L of 50mM NaCl from your 20X stock. How would you ...
 algebra  solve for X: 3/2 (22X) + 4/3/ (6+3X)= 2/5 (1020X)
 algebra  Find the product (2x)(10x) Answers: 20x 12x 20x^2 5x
More Related Questions