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**add**and subtract in any order as long as the positive and negative signs stay with the...a number line and go back 8 spaces... The general rule about**adding**negative numbers is to FIRST "pretend" they aren't...7 Answers · Science & Mathematics · 09/10/2011

You can only

**add**or subtract fractions once they have the same denominator. After... if necessary, to make the denominators the same, and then**add**or subtract. There is a very simple technique to finding...2 Answers · Science & Mathematics · 18/02/2013

**Added**to get 35, multiplied to get -294: x + y = 35 x*y = -294 Then...7 (x - 42) = 0 x = 42 So the two numbers are -7 and 42.**Added**to get -65, multiplied to get -350: x + y = -65 x*y = -350 x = -65 - y...1 Answers · Science & Mathematics · 09/06/2011

**adding**/subtracting rationals. step 1; fully factor everything and cancel where possible. step 2; find ...for -6, -5, -3 D= xER {-6, -5, -3 You need to have common denominators for**adding**/subtracting rational expressions for the same reason that you need them for**adding**...2 Answers · Science & Mathematics · 25/05/2011

1)

**Add**and simplify: 5/3+z + 9/3+z 5/3+z + 9/3+z = (5+9)/(3+z) = 14...y-a) = (ay-a^2-ay-a^2)/(y+a)(y-a) = -2a^2 / (y+a)(y-a) 3)**Add**. Simplify if possible: 1/y+6 + 7/5y 1/(y+6) + 7/5y = (5y...2 Answers · Science & Mathematics · 23/08/2007

... 2b^18 x 6c^3 b and c are not like terms so they do not

**add**up and to figure out the answer u do 6b^12 + -4^6 --- 6b+-4b=2b and then**add**the ...2 Answers · Science & Mathematics · 17/02/2008

To "

**add**" a percent, you first multiply the number by the percent then**add**it to the original amount. 4% x 11679 = 0.04 x 11679 = 467.16 Then**add**this to the original amount: 11,679 + 467.16 = 12,146.16 The shortcut to this...5 Answers · Science & Mathematics · 13/02/2009

Fractions: 1.

**Add**: First you have to make sure both denominators... it and it becomes 5/14. Decimals:**Add**: This is really simple. Say 10.3 + 11.9...3 Answers · Science & Mathematics · 31/12/2011

You can only

**add**fractions if they have the same denominator, in which you**add**the numerators...aside for now. 4/7 + 2 + 2/5 + 1 + 3/7 (4/7 and 3/7 have the same denominator, so**add**them) 7/7 + 2 + 2/5 + 1 (simplify fraction) 1 + 2 + 2/5 + 1 (combine whole...3 Answers · Science & Mathematics · 07/09/2008

This has nothing to do with

**adding**integers. The numbers are {1,2,3,4,5,6}. 1...3 Answers · Science & Mathematics · 13/06/2009

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