Математика 1) 2(х+3)+5(х+1)2) 9(7+у)+8(6+у)3) 4(3х+8у)+3(11у+6у

Question

Математика
1) 2(х+3)+5(х+1)
2) 9(7+у)+8(6+у)
3) 4(3х+8у)+3(11у+6у

Answer 1

1) 2х+6+5х+5=7х+11
2) 63+9у+48+8у=111+17у
3) 12х+92у+33+18у=141+114у