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What is 4a plus 8b - 12c?

Updated: 4/28/2022
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6y ago

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They are 3 terms of an algebraic expression

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Q: What is 4a plus 8b - 12c?
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6a plus 7b - 4a - 8b equals?

6a + (7b - 4a - 8b) = (6a - 4a) + (7b - 8b) = 2a - b


What is 8b - 12c?

8b - 12c = -4


2a plus 3b - 4a plus 5b?

8b -2a


What is 4a plus 3b plus 5a plus 8b?

11a+11b


How do you factor 4a plus 8b 16c?

With the factor 4a plus 8b 16c you can find the answer and check it mentally. You would first have to find he product of all the numbers to find the value of the letter A.


4a - 2b plus 6a - 8b?

10a - 10 b


How do you factor 4a plus 8b-16c?

4(a + 2b - 4c)


Factor completely and check mentally 4a plus 8b-16c?

8878


If 3a plus 2b equals 24 and 4a plus 8b equals 70 how do you solve for a and b using the elimination method?

Two equations, two unknownsFirst, multiply 3a + 2b = 70 by 4. This gives the equation 12a + 8b = 96. Next, subtract 4a + 8b = 70 from this equation. This result gives 8a = 26, which, solving for a, gives a = 3.25.Substitue the value of a into one of the original equations, which will give b = 7.125.Finally check your results by substituting the values of a and b into each equation.Answer:Given two equations 3a + 2b = 24 ------ (1) and 4a + 8b = 70 ------ (2) We have to solve this by using elimination method.Multiply the equation 3a + 2b = 24 by 4 on both the sides.We get 12a + 8b = 96 ---------- (3)Now, subtract the equation (2) from equation (3)12a + 8b = 96 ---------- (3)4a + 8b = 70 ---------- (2)--------------------------------(12a - 4a) + (8b - 8b) = (96 - 70)8a + 0 = 268a = 26a = 26/8a = 13/4 (Or) a = 3.25Substitute the value of a in the equation (2)4a + 8b = 70 ---------- (2)4(13/4) + 8b = 70.13 + 8b = 708b = 70 - 138b = 57b = 57/8 (Or) b = 7.125


A plus 2B yields 3C If he starts with 5 grams of A and 8 grams of B is B the limiting reactant and why?

A + 2B = 3C 5A + 10B = 15C 4A + 8B = 12C A and B are the reactants. As there is not enough B to use all the A, B is the limiting factor in the production of C.


What does 4a-3b-2a-8b?

2a+(-11b)


3a 4b equals 7a 4b?

Clearly, there are some signs missing. So let's try the four possibilities for the second terms: 1. + and + 3a + 4b = 7a + 4b Subtract 4b from each side: 3a = 7a Subtract 3a from each side: 0 = 4a Answer : a = 0, b indeterminate (ie can have any vaue). 2. + and - 3a + 4b = 7a - 4b Subtract 4b from each side: 3a = 7a - 8b Subtract 7a from each side: -4a = -8b or 4a = 8b Answer: a = 2b 3. - and - 3a - 4b = 7a - 4b Add 4b to each side: 3a = 7a Subtract 3a from each side: 0 = 4a Answer : a = 0, b indeterminate (ie can have any vaue). 4. - and + 3a - 4b = 7a + 4b Add 4b to each side: 3a = 7a + 8b Subtract 7a from each side: -4a = 8b or 4a = -8b Answer: a = -2b Can't do better than that with the information available.