Question

el que me lo haga le doy corona​

Answer 1

Ya está

Explicación paso a paso:

1) 2x + x - x = -6

3x - x = -6

2x = -6

x = -6/2

x = -3

2) 5x + x - 3x = 18

6x - 3x = 18

3x = 18

x = 18/3

x = 6

3) 2x + 1 = x - 9

2x - x = - 9 -1

x = -10

4) x + 2x + 1 = x + 7

x + 2x - x = 7 - 1

3x - x = 6

2x = 6

x = 6/2

x = 3

5) - 7x + 5 = 2x + 68

- 7x - 2x = 68 - 5

- 9x = 63

x = 63/-9

x = -7