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October 22, 2014

October 22, 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

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