Question

ECUACIONES| espero q se entienda​

Answer 1

Explicación paso a paso:

1)

2x - 3 = 9

2x = 9 - 3

2x = 6

x = 6 / 2

x = 3

2)

2 (x-3) = 4

2x - 6 = 4

2x = 4 + 6

2x = 10

x = 10 / 2

x = 5

3)

2x - 3 = 3x - 8

2x - 3x = -8 + 3

- x = -5

x = 5