Question

Find the value of a if x = −2 is a solution to the equation 3x − 1 = 5x + a.
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Answer 1

given : x = -2

According to question

$\: \: \: 3x - 1 = 5x + a \\ = > 3 \times ( - 2) - 1 = 5 \times ( - 2) + a \\ = > - 6 - 1 = - 10 + a \\ = > - 7 + 10 = a \\ = > a = 3$

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Answer 2

Answer:

7

10

Step-by-step explanation:

x=-2, 3x-1=5x+a

=  - 6 - 1= - 10 + a

= A= -7= - 10

=A= -7

      -10

=A=7

     10

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