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Question

The equation having -3as a solution is:


A

x+3=1

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B

8+2x=3

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C

10+3x=1

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D

2x+1=3

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Solution

The correct option is C

10+3x=1


Step 1: Explanation for correct answer.

Consider the equation (c)

10+3x=13x=1103x=-9x=-93x=-3

Step 2: Explanation for incorrect answer.

Consider the equation (a)

x+3=1x=13x=-2

Consider the equation (b)

8+2x=32x=-3-82x=-11x=-112

Consider the equation (d)

2x+1=32x=312x=2x=22x=1

Hence, the correct option is C.


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