α-7>21 solve inequations
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A-7>21
Adding 7 on both sides
A>28......
Adding 7 on both sides
A>28......
hemant89:
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A-7>21
A> 21 +7. In this question it is written that a-7>21
The minus sign will become plus A >21+7
A>28
A> 21 +7. In this question it is written that a-7>21
The minus sign will become plus A >21+7
A>28
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