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Mathematics
Matteo Choi
8 February, 16:43
Simplify 15 + (X+9) + 3x
+2
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Jay English
8 February, 17:23
0
15x+135+3x
18x+135
your answer would be 18x+135
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Payton Peters
8 February, 17:52
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15 + (x + 9) + 3x ⇒ Open the bracket
15 + x + 9 + 3x ⇒ Collecting like term
15 + 9 + x + 3x
24 + 4x
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