joannakhatib03
joannakhatib03
14-02-2016
Mathematics
contestada
how can i solve 7c+12=-4c+78
Respuesta :
Billymkhoi
Billymkhoi
14-02-2016
7c+ 12= -4c+ 78
⇒ 7c+ 4c= 78 -12 (inverse operation)
⇒ 11c= 66
⇒ c= 66/11 (inverse operation)
⇒ c= 6
Final answer: c= 6
.
Answer Link
dahamivherath
dahamivherath
14-02-2016
cancel each type...
7c+12=-4c+78
+4c +4c
11c+12=78
-12 -12
11c=66
÷11 ÷11
=c=6
answer=6
hope it helps....
Answer Link
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