ryadira ryadira

11-02-2018
Mathematics

contestada

4x + 3 = -5x -7 cual es el
Valor de x ?

Respuesta :

11-02-2018

4x + 3 = -5x - 7 Add 5x to both sides.
4x + 3 + 5x = -5x - 7 + 5x
9x + 3 = -7 Subtract 3 from both sides.
9x + 3 - 3 = -7 - 3
9x = -10 Divide both sides by 9
9x / 9 = -10 / 9
Your answer can either be 1.11111... or it would be x = -10/9

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