5 (x + 4) =8

DJL

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Is 5 (x + 4) = 8 is 5x=12?
 

Subhotosh Khan

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DJL said:
Is 5 (x + 4) = 8 is 5x=12?
No...

5(x+4) = 8

5*x + 5*4 = 8

5x + 20 = 8

5x + 20 - 20 = 8 - 20

5x = -12

Watch that negative sign in front of 12!!
 
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