I have a lot of questions to ask on mathematics...so pls help so fastthnx a lot...
1 answer:
Answer:
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<em>x₁ = 3</em>
<em>x₂ = - 12</em>
- Step-by-step explanation:
<em>Hi there ! </em>
<em>| 2x + 9 | = 15</em>
<em>1.</em>
<em>2x + 9 = 15</em>
<em>2x = 15 - 9</em>
<em>2x = 6</em>
<em>x = 6 : 2</em>
<em>x₁ = 3</em>
<em>2.</em>
<em>2x + 9 = - 15</em>
<em>2x = - 15 - 9</em>
<em>2x = - 24</em>
<em>x = - 24 : 2</em>
<em>x₂ = - 12</em>
<em>Good luck ! </em>
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still thinking
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23•1
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83°/360°×100km=23•1
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b
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