add the following-: 2a-3b, -7a+9b and 10a+11b step by step explanation
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Step-by-step explanation:
2a-3b, -7a+9b, 10a+ 11b
2a-7a+10a -3b+9b+11b
(2-7+10)a + (-3+9+11)b
(-5+10)a +(6+11)b
5a+17b
I hope it will be use
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