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Anuta_ua [19.1K]
2 years ago
15

Y=−5x2+ 6x− 3 y=−4x− 3 using elimination or subsutution

Mathematics
2 answers:
Elena-2011 [213]2 years ago
4 0

Step-by-step explanation:

My math is terrible but I think u should eliminate and substitute.

Irina-Kira [14]2 years ago
3 0

I think the answer is:2x-4y=13

START BY USING BODMAS

  1. <em>Brackets</em>
  2. <em>of</em>
  3. <em>division</em>
  4. <em>multiplication</em>
  5. <em>addition</em>
  6. <em>subtraction</em>

<em>y</em><em>=</em><em>-</em><em>(</em><em>10</em><em>)</em><em>+</em><em>6</em><em>x</em><em>-</em><em>3y</em><em>=</em><em>-</em><em>4x</em><em>-3</em>

<em>{</em><em>3</em><em>+</em><em>10</em><em>=</em><em>13</em><em>}</em>

<em>{</em><em>3y</em><em>+</em><em>y</em><em>=</em><em>4y</em><em>}</em>

<em>{</em><em>6x</em><em>-4x</em><em>=</em><em>2x</em><em>}</em>

<em>4y</em><em>=</em><em>+</em><em>2x</em><em>-13</em>

<em>=</em><em>2x</em><em>-4y</em><em>=</em><em>13</em><em> </em>

<em>I'M</em><em> </em><em>NOT</em><em> </em><em>SURE</em><em> </em><em>OF</em><em> </em><em>THE</em><em> </em><em>ANSWER</em><em> </em><em>THOUGH</em>

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C

Step-by-step explanation:

The fast way: Testing the options!

Teacher loving way:

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