Well, darling, 2a plus 8 is simply 2a + 8. I mean, it's not rocket science. Just add 8 to whatever the heck 2a is and you've got your answer. Math doesn't have to be a snoozefest, you know.
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this is an expression. if you let it equal something you can find (a)
2a + 8 = 4
a = -2
or you could do
2a + 8 = 106
a = 49
It is 2a + 8.
Do this: write it out 2 |2a + 4b + 8 Now what divides into all the numbers? ---------------- a + 2b + 4 answer is 2(a+2b+4)
2a*3 = 8+4a 6a = 8+4a 6a-4a = 8 2a = 8 a = 4
2a + a = 3a
(6ab + 9b)/(2a + 3) = 3b(2a + 3)/(2a + 3) = 3b
9a +8 -2a -3 -5a = 2a +5