Respuesta :

5x − 15 = −2

     +15    +15      add 15 to both sides, 15's will cancel out and solve -2 + 15.

__________

5x    13  <--- sum of -2 + 15

__ = __        divide 5 on both sides, 5's will cancel out on the left side.

5      5

x = 2.6, final answer :)

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