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It is an equation and the value of a is 7

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โˆ™ 2012-01-13 11:00:14
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Q: What is 4a equals 28?
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Related questions

What is the answer of 4a-7 equals 21?

21 + 7 = 28 28 / 4 = 7 Your answer is 7.


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2a + 9 = 4a - 19 9 + 19 = 4a - 2a 28 = 2a a = 14


7a2 plus 53a plus 28 equals?

7a2 + 53a + 28 = 7a2 + 49a + 4a + 28 = 7a(a + 7) +4(a + 7) = (a + 7)(7a + 4)


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The Answer is 4a so you are asking why it is 4a. So just take an a and think it as 1a boom


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They appear to be the equations of two parallel lines in the a-b plane.


A a a a?

a+a+a+a = 4a Because there're 4 a's so that equals = 4a


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-4a = 48 a = -12


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4a - 9 = 27 4a = 36 a = 9


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The answer to 4a times 3b equals 1.3. You have to find the value of A and B.


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Solve this equation using addition method 4a subtract 5b equals 7 and 4a plus 5b equals 17?

Add the equations: 4a + 4a - 5b + 5b = 7 + 17 ie 8a = 24 a = 3, so b = 1


What does a equals if 4a plus 24 equals 72?

If 4a+24=72 then you start out by subtracting 24 from both sides because what you do to one side of the equation you must do to the other. That means that 4a+24-24=72-24. So 4a=48. Now you divide both sides by 4 and you get a=12.


What is 7x4 equal?

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4a plus 5 equals 25 simplify?

4a+5=25 4a=25-5 4a=20 a=20/4 a=5


What is the order pair for 4a - 5b equals 7 and 4a plus 5b equals 17?

(1) 4a-5b=7 (2) 4a+5b=17 (1)-(2) gives 4a-5b-(4a+5b)=7-17 then -10b=-10 so b=1 from (2) one gets 4a=17-5b=17-5x1=12 so a=3 (3,1) is the solution


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


4a plus 3-a equals 12?

4a+3-a =12 4a-a = 12-3 3a = 9 a = 3


What is 9 equals 4a plus 13?

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Aยณ plus 4A equals 8?

It can do, for the right value of A