0
Anonymous
5
Lee Carter ∙
Chat with our AI personalities
2
a=2b 4b=6c becomes 2b=3c a=3c
4a + 3c - 2b - c + a - b = 5a - 3b + 2c
a + 7b + 2c
Gathering like terms together, this is equal to 5a + 3b + 7c.
3c+6=18 3c+6-6=18-6 3c=12 3c÷3=12÷3 c=4