Question

Упростите выражение: 1) 2(x+3)+5(x+1); 2) 9(7+y)+8(6+y); 3) 4(3x+23)+7(6+5x); 4) 12(9+8y)+3(11+6y).

Answer 1

1)=2x+6+5x+5=7x+11
2)=63+9y+48+8y=17y+111
3)12x+92+42+35x=47x+134
4)108+96y+33+18y=114y+141

Answer 2

1) 2х+6+5х+5=7x+11
2) 63+9y+48+8y=17y+111
3) 12x+92+42+35x=47x+134
4) 108+96y+33+18y=114y+141