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I need to rearrange this formula to make e the subject. Have I done it correctly?
10b + 5be - 3e + 7c
10b + 5be - 3e = 7c
5be - 3e = 7c - 10b
e(5b - 3) = 7c - 10b
e = 7c - 10b / 5b - 3
10b + 5be - 3e + 7c
10b + 5be - 3e = 7c
5be - 3e = 7c - 10b
e(5b - 3) = 7c - 10b
e = 7c - 10b / 5b - 3