Question

Resolve Aplicando Propiedad Distributiva

a) 4.(×+2)=28

b) (20×+10):2=36+59

c) 3.(4×+6)=198

d) (×+6).9=181-19

Answer 1

a) 4.(x+2)=28
4x+8=28
4x=20
x=20:4
x=5

c) 3.(4x+6)=198
3.4x+18=198
3.4x=198-18
3.4x=180
4x=180:3
x=60:4
x=15

d) (x+6).9=181-19
9x+54=162
9x=162-54
x=108:9
x=12