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Elaina Richard
Mathematics
23 January, 20:53
Combine like terms in the expression
3x+2+9x-7
+4
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Belen Arnold
23 January, 21:01
0
Step-by-step explanation:
3x+2+9x-7 = 12x-5
First, collect like terms which is 12x+2-7. Then, calculate the difference which is 12x-5.
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Andreas Manning
23 January, 21:16
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12x-5
Step-by-step explanation:
3x and 9x are like terms, and so are 2 - 7. You can identify like terms as they most likely end the same. When you have your like terms identified, just add them like normal.
3x + 9x = 12x
2 - 7 = - 5
12x-5
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