How would u solve 7c + 12 = -4c + 78
1 answer:
7c + 12 = -4c + 78
+4c. +4c
11c + 12 = 78
-12. -12
11c = 66
11/11. 66/11
C = 6
Plug in the answer to check .
7 * 6 + 12 = 54
-4 * 6 + 78 = 54
54 = 54
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