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The solution (not sum) to the equation 21 = 3c + 6 is as follows:
21 = 3c + 6
21 - 6 = 3c + 6 - 6
15 = 3c
3c = 15
3c/3 = 21/3
c = 7
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∙ 12y ago
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How do you do 4c plus 2 equals 3c plus 9?
4c+2 = 3c+9 4c-3c = 9-2 c = 7
17 - 3c equals 4c plus 3?
17-3= 4c+3c c=2
What is 3c plus 6 equals 18?
3c+6=18 3c+6-6=18-6 3c=12 3c÷3=12÷3 c=4
What is the answer to 2a plus b plus 3c equals 2a plus b plus 3c?
That's not even a question. It's only a statement that says that some number is equal to itself.
If a equals 2b and 4b equals 6c then a equals?
a=2b 4b=6c becomes 2b=3c a=3c
How do you do 4c plus 2 equals 3c plus 9?
4c+2 = 3c+9 4c-3c = 9-2 c = 7
17 - 3c equals 4c plus 3?
17-3= 4c+3c c=2
What is 3c plus 6 equals 18?
3c+6=18 3c+6-6=18-6 3c=12 3c÷3=12÷3 c=4
What is the answer to 2a plus b plus 3c equals 2a plus b plus 3c?
That's not even a question. It's only a statement that says that some number is equal to itself.
4 plus 3c equals 2 c plus 2 what does c equal?
4 + 3c = 2c + 2Subtract 4 from each side:3c = 2c - 2Subtract 2c from each side:c = -2
Is c plus c plus c equals 6 isolated?
If: 3c = 6Then: c = 2
What is the answer in 7(a plus 3)-c(a plus 3)?
Multiplying out the brackets it is: 7a+21-ac-3c
What is -7 equals -3c plus 93?
Doing it step by step:-7 = -3c + 933c = 7 + 933c = 100c= 33 1/3
What is 2c plus 4-3c equals -9 plus c plus 5?
2c + 4 - 3c = -9 + c + 5 -c + 4 = c - 4 -2c = -8 2c = 8 c = 4
If a equals 2b and 4b equals 6c then a equals?
a=2b 4b=6c becomes 2b=3c a=3c
What is the answer of 8 plus 3c equals 3c?
This is impossible because if each side has to equal each other, the left side will always be eight more than the other
What is the chemical equation for aluminum oxide plus carbon equals aluminum plus carbon dioxide?
2Al2O3 + 3C -> 3CO2 + 4Al
