Question

Ayudenme porfiis.........<3

Answer 1

a) 9x+4=5(x-4)

9x+4=5x-20

9x-5x=-20-4

4x=-24

x=-6

b)3x+3=3x-15

9x=18

x=2

c) 3/4(5/3x+1/2)=3(1/2x+1/3)

5/4x+3/8=3/2x+1

10x+3=12x+8

10x-12x=8-3

-2x=5

x=-5/2

d)12(2/3x+7)=4(4/3x+9)

8x+84=16/3x+36

24x+252=16x+108

24x-16x=108-252

8x=-144

x=-18

¡Espero haberte ayudado Rafaelcausil46!