Question

e) 9x-10 = 4+2x=


f ) 15a -3=5+a=

g) 5.(x+1) = 3.(1-x)=


h) 14 (y-2)= 2 (y +1)=​

Answer 1

Resposta:

9x-10=4+2x

9x-2x=4+10

7x=14

x=2

5(x+1)=3(1+x)

5x+5=3+3x

5x-3x=3-5

2x=-2

x=-1

14(y-2)=2(y+1)

14y--28=2y+2

14y-2y=+2+28

12y=30

y= 26/12

Explicação passo-a-passo: