Wednesday

July 30, 2014

July 30, 2014

Posted by **kate** on Sunday, September 5, 2010 at 3:22am.

2/5(20x+5)-1/2(8-4x)=38

- algebra 1 -
**Andrew**, Sunday, September 5, 2010 at 4:10am1. 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 8:33amHere is a better way.

Perform the indicated multiplications and combine terms

(2/5)(20x+5) - (1/2)(8-4x) = 38

8x +2 -4 +2x = 38

10x = 40

x = 4

**Related Questions**

Algebra-Please check - 5 - sqrt of 20x + 4 >= -3 5- 20x + 4 >= -3 5-4 - ...

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 - simplify: [(2x^2+5x-6)/(5x^2+7x-6)]*[(20x^2-7x-3)/(6x^2-25x+4)]/[(4x^2...

math - 5(3+4x)-6>=129 I get 2 different answers on this one. 15+20x-6>=129...

Microbiology - You need 3.5L of 50mM NaCl from your 20X stock. How would you ...

algebra - solve for X: 3/2 (2-2X) + 4/3/ (6+3X)= 2/5 (10-20X)

Algebra - Can someone tell me if I am right? Factor by group 20x^2-12x=15x-9 20x...

Algebra - solve the equation y=20x+27500

Algebra 1 - Solve the system by addition 10x+3y=4 -20x-6y=-8