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The solution of 5x + 7 = 2x – 8 is x = [[1]].

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answer is -5.

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Detailed Solution

The solution of 5x + 7 = 2x – 8 is x = -5.
The linear equation is given as follows,

5 x + 7 = 2 x − 8

We first subtract 2x from each side of the above equation and simplify as follows,

5 x + 7 − 2 x = 2 x − 8 − 2 x 3 x + 7 = − 8

3 x + 7 − 7 = − 8 − 7 3 x = − 15 3 x 3 = − 15 3 x = − 5

Therefore,

x = − 5

is the solution of 5x + 7 = 2x – 8.

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