Question

ayudaaa doy corona y 5 puntos

resolver las siguientes ecuaciones.

a) 2x + 3 = 9 c) x + 4x = 7 + 13

b) 3x - 5 = 10 d) 2 + 7x - 3x = 18

c) x + 4x = 7 + 13

d) 2 + 7x - 3x = 18

e) 9 + 5x - 4 + x = 23

f) 10x - 5 - 2x = 9 + 5x + 7
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Answer 1

Respuesta:

hola!

a) 2x + 3 = 9

2x = 6

x = 3

b) 3x - 5 = 10

3x = 15

x = 5

c) x + 4x = 7 + 13

5x = 20

x = 4

d) 2 + 7x - 3x = 18

4x = 16

x = 4

e) 9 + 5x - 4 + x = 23

6x = 18

x = 3

f) 10x - 5 - 2x = 9 + 5x + 7

8x - 5 = 5x + 16

3x = 21

x = 7

saludos.