Question

5 (x - 3) = 3 (2x – 1)

5x – 11 = 3x + 7

¿Como se hace?
Es mate

Answer 1

Procedimiento 1

5 (x - 3) = 3 (2x – 1)

5x -15 = 6x -1

5x -6x = 15 -1

-1x = 14

x = $\frac{14}{-1}$

x = -14

Comprobación 1

5 (x - 3) = 3 (2x – 1)

5 (-14 -3) = 3 (2 (-14) -1)

-70 -15 = 6 (14) -1

-85 = -84 -1

-85 = -85

Procedimiento 2

5x – 11 = 3x + 7

5x -3x = 11 +7

2x = 18

x = $\frac{18}{2}$

x = 9

Comprobación 2

5x – 11 = 3x + 7

5(9) -11 = 3(9) +7

34 = 34

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-Saludos.