Question

I. Resuelve las siguientes ecuaciones.

a) 3x + 6 = 12

b) 4x + x = 25

c) 12 + 2x = 12 + 4

d) 5.(7 − x) = 31− x

e) 3.(x-5)=6

f) 4.(2x+1)=12

ES URGENTE PLIS AYUDAAAAAA

Answer 1

3x + 6 = 12

3x = 12 - 6

3x = 6

x = 6/3

x = 3

4x + x = 25

5x = 25

x = 25/5

x = 5

12 + 2x = 12 + 4

12 + 2x = 16

2x = 16 - 12

2x = 4

x = 4/2

x = 2

5.(7 − x) = 31 − x

35 - 5x = 31 - x

35 - 31 = 5x - x

4 = 4x

4/4 = x

1 = x

3.(x-5) = 6

3x - 15 = 6

3x =  15 + 6

3x = 21

x = 21/3

x = 7

4.(2x+1) = 12

8x + 4 = 12

8x = 12 - 4

8x = 8

x = 8/8

x = 1

Eternamente axllxa