7-{13-2(4×-4)}-15÷2

The chapter is about fractions And decimals .....thename of question is simplify..
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2 Answers

me ges that stuf sood be

7-[13-2(4x-4)] -(15/2)=0

become 7-[13 -8x+8]=15/2

or 7-(13+8 -8x) =15/2

7-(-8x+21)=15/2

7+8x-21=15/2

8x-14=15/2

8x=14+(15/2)....=14+7.5...=21.5

x=21.5/8=2.6875
by

7-{13-2(4×-4)}-15÷2
7-{13-8x+8}-15/2
7-{21-8x}=15/2
7-21+8x=15/2
-14+8x=15/2
x=43/16

Converting Fractions to Decimals
 

by Level 8 User (30.1k points)

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