Question

Ajuda por favor!!!!!
A)2(x/4-2x/9)=-1/2

B)3y+4y/7-2=48

C)x/3-8=7x/12+6

D)4 (6x+7)=15x-8

Answer 1

Olá✨

A)2(x/4-2x/9)=-1/2

x/4-2x/9=-1/4

9x-8x=-9

x= -9

B)3y+4y/7-2=48

21y+4y-14=336

25y-14=336

25y=336+14

25y=350

y=14

C) x/3-8=7x/12+6

x/3-8=7x/18

6×-144= 7x

6x=7x+144

-x=144

x= -144

D)4 (6x+7)=15x-8

24x+28=15x-8

24x+28-15x=-8

9x=-8-28

9x= -36

x= -4