Solve the equation. Then check your solution. 6 = negative 2 (10 n + 7)
2 answers:
<em>n = - 1</em>
<em>Step-by-step explanation: </em> <em>Hi ! </em>
<em>6 = - 2(10n + 7)</em>
<em>6 = - 20n - 14</em>
<em>20n = - 6 - 14</em>
<em>20n = - 20</em>
<em>n = - 20 : 20</em>
<em>n = - 1</em>
<em />
<em>6 = - 2(10×-1 + 7)</em>
<em>6 = - 2(-10 + 7)</em>
<em>6 = - 2(-3)</em>
<em>6 = 6 (true)</em>
<em>Good luck !</em>
Answer:
n = -1 OR -1 = n
Step-by-step explanation:
<em>6 = -2(10n +7) </em>
First we remove the brackets by multiplying the inner numbers by -2
<em>6 = -20n - 14 </em>
Then we add 14 on both sides
<em>20 = -20n </em>
We make n the subject and divide both sides by -20
n = -1 OR -1 = n
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