Question

Ықшамдап беріңіздерші: 3(х+5)+4х 8(7+х)-3х 9(х-7)+6х 5(х+8)-11 2(13+х)-15 6(х+5)+2х

Answer 1

3(х+5) + 4х = 3*х+3*5+4х=(3х+4х) +15 = 7х+15
8(7+х)-3х= 56 + 8х - 3х = 5х+56
9(х-7) +6х= 9х -63 +6х = 15х-63
5(х+8)-11= 5х+ 40 - 11 =5х +29
2(13+х) -15 = 26 +2х-15=2х+11
6(х+5)+2х= 6х + 30 + 2х=8х+30