Question

ayuda ;-; (es tarea y no entendi mucho :u)
3x - 5 = x + 3


5x - 4 = x + 12


2x - 6 = x + 10


x - 5 = 3x - 25

5x + 6 = 10x + 5

9x + 11 = -10 + 12x

aun asi gracias por darle un ojito :'3​

Answer 1

Respuesta:

a) 3x - 5= x + 3

3x-x = 3+5

2x = 8

x = 8÷2

x = 4

b) 5x - 4 = x +12

5x - x = 12 + 4

4x = 16

x = 16 ÷ 4

x = 4

c) 2x - 6 = x + 10

2x - x = 10 + 6

x = 16

d) x - 5 = 3x - 25

x - 3x = -25 + 5

- 2x = -20

x = -20:2

x = -10