I have some answers the these problems but I just wanna make sure there right.. PLEASE Help??

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jchristian7279 jchristian7279

30-10-2019
Mathematics

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I have some answers the these problems but I just wanna make sure there right.. PLEASE Help??

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Cathi Cathi · Answer 1 · 2019-10-30T13:04:09+01:00

Cathi Cathi

30-10-2019

7x+12+63=180
8x+12=180
Subtract 12 from both sides
8x= 168
=c=21

10x-40=50
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10x=90
X=9

4x+72+2x-12=180
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Subtract 60 from both sides
6x=120
X=20

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