Упростите выражение 2(x+3)+5(x+1)

Question

Упростите выражение 2(x+3)+5(x+1)

Comments

2х + 6 + 5х + 52х + 5х = -6 -57х = -11х = - 11/7

Answer 1

2(х+5)+5(х+1)=2х+5+5х+5=7х+10

Answer 2

2х+6+5х+5
2х+5х=-6-5
х=7:1
х=7