How can i solve 7c+12=-4c+78

asked Oct 12, 2017 133k views

1 vote

7.1k points

Please log in or register to add a comment.

3 votes

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....

Slam answered Oct 15, 2017

by Slam

8.9k points

5 votes

7c+ 12= -4c+ 78
⇒ 7c+ 4c= 78 -12 (inverse operation)
⇒ 11c= 66
⇒ c= 66/11 (inverse operation)
⇒ c= 6

Final answer: c= 6.

Aumanets answered Oct 16, 2017

7.2k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.9m questions

11.5m answers