Saturday

April 18, 2015

April 18, 2015

Posted by **kev** on Monday, July 28, 2008 at 2:49am.

(5a-2b) + (-4a+5b)

what do I do with -2b when you line up the +5b?

- math -
**RACHELLE**, Monday, July 28, 2008 at 3:56am+3

- math -
**drwls**, Monday, July 28, 2008 at 7:43amThe sum of the two terms in parentheses is a - 3b

If you want the difference, it should be written

(5a - 2b) - (-4a + 5b)

which is the same as

(5a - 2b) + (4a - 5b) = 9a - 7b

**Answer this Question**

**Related Questions**

math - Using a number line show how to find the sum or difference. 1.3 + 1.8

Math - PreCalc (12th Grade) - Which combination of limit properties is required ...

Math - how would you graph x>-2 and how would you solve the sum of two ...

algebra1 - find each sum,difference,or product. If the sum or difference does ...

Math156 - make an illustration depicting the number line to find each sum or ...

Math - Find the difference: 3-(-9) A. -12 B. -6 C. 6 D. 12 I got the answer on (...

Math(word problem) - For the line joining points A(-1, 3) and B(5, 7): a.Find ...

PRE CALC - Which combination of limit properties is required to evaluate this ...

Math - 1) If the sum of the first n terms of a series is Sn where Sn=2nē-n, (a)...

math - 1) If the sum of the first n terms of a series is Sn where Sn=2nē-n, (a)...