Solve the equation using the subtraction property of equality

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1. x + 34 = 6       2. 17 + b = 20    3.   -32=T + 14     4. 8.2= 21.8 + m    5. a + 3/5 = 7/10  

6. b + 1/4 = 3/8   7. 21= 14+ w

Oct 12th, 2014

1.) x + 34 = 6    

     x + 34 -34 = 8 -34

     x = -26   

 2.) 17 + b = 20   

17 - 17 + b = 20 - 17

               b = 3

 3).   -32=T + 14   

 -32 -14 =T + 14 -14

-46        = T    or

T =-46

  4.)  8.2= 21.8 + m 

8.2 - 21.8 = 21.8 - 21.8 + m

-13.6   = m or 

m = -13.6

 5.) a + 3/5 = 7/10  

a + 3/5 -3/5 = 7/10 -3/5

a =7/10 - 6/10

a = 1/10

6 ) b + 1/4 = 3/8 

b + 1/4 - 1/4= 3/8 - 1/4

b = 3/8 -2/8

b = 1/8

  7.) 21= 14+ w

21 -14 = 14 -14 + w

7 = w or

w = 7


Oct 12th, 2014

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