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12a+3+18-9a?

You must try to sumplify it.

2007-09-26 11:14:33 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

= 12a - 9a + 18 + 3
= 3a + 21
= 3 (a + 7)

2007-09-30 07:27:21 · answer #1 · answered by Como 7 · 0⤊ 0⤋

that's easy, you just combine like terms...

3a + 21

2007-09-26 20:28:16 · answer #2 · answered by aplecre154 1 · 0⤊ 0⤋

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