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2 answers:
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There are many ways to solve simultaneous linear equations. One of my favorite for finding integer solutions is graphing. The attached graph shows the solution to be ...
... (x, y) = (4, 7)
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You can also use Cramer's Rule, or the Vedic math variation of it, which tells you the solution to
is given by
Here, that means
... x = (9·67-5·75)/(9·8-5·3) = 228/57 = 4
... y = (75·8-67·3)/57 = 399/57 = 7
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A (graphing) calculator greatly facilitates either of these approaches.
Answer:
Hi, There! my name is Jay And I'm here to help!
<h2>Question</h2>Two times a number plus one is at least seven
<h2>Answer</h2>x ≥ 3 would be correct
- <em>all values of x which are 3 or above can be used</em>
Step-by-step explanation:
For this Question, your going to use Easy multiplication and Addition Skills
your equation is going to look like this ↓
So we have to determine what x Is
Since we have figured out what is Time to Add it all together
Therefore, I hope this helps!
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