Answer:
c = -1/3
Explanation:
7 + 4c = 7c + 6
7 - 8 + 4c = 7c
-1 + 4c = 7c
-1 = 7c - 4c
-1 = 3c
-1/3 = c
Solution given:
7+4c=7c+6
subtracting both side by 4c
7+4c-4c=7c-4c+6
solve like terms
7=3c+6
subtracting both side by 6
7-6=3c+6-6
3c=1
c=1/3
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