Q: What is 4a equals 28?

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

-4a = 48 a = -12

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

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

4a + a = 25 add 4a and a 5a = 25 then divide 25 by 5 a = 5

Related questions

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

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

5

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

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

4a

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

-4a = 48 a = -12

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

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

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

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