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September 30, 2014

September 30, 2014

Posted by **Melissa** on Wednesday, January 26, 2011 at 7:34pm.

match the equivalent addition and subtraction expressions

a) -6 -9

b)-10 - (-12)

c)6-9

d)10-12

e)-12-10

A)10+(-12)

B)-6+(-9)

C)-12 + (-10)

D)6+(-9)

E)-10+12

- math -
**helper**, Wednesday, January 26, 2011 at 7:40pmConvert a) through e) to addition expressions

Change the sign to + and change the sign of the number to the opposite of what it is.

a) -6 - 9 = -6 + (-9)

b) -10 - (-12) = -10 + 12

Now you do c), d) and e)

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