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-1=(-2/5)(21)+b

 Jan 26, 2015

Best Answer 

 #1
avatar+130540 
+5

1=(-2/5)(21)+b   simplify

1 = (-42/5)+ b    add (-42/5) to both sides

1 + 42/5 = b

[5 + 42 ] / 5  = b  = 47/5

 

 Jan 26, 2015
 #1
avatar+130540 
+5
Best Answer

1=(-2/5)(21)+b   simplify

1 = (-42/5)+ b    add (-42/5) to both sides

1 + 42/5 = b

[5 + 42 ] / 5  = b  = 47/5

 

CPhill Jan 26, 2015

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