1) 2(х+3)+5(х+1)= 2x + 6 + 5(x + 1) = 2x + 6 + 5x + 5 = 7x + 11
2) 9(7+y)+8(6+y)= 63 + 9y + 8(6 + y) = 63 + 9y + 48 + 8y = 111 + 17y
3) 4(3x+23)+7(6+5x)= 12x + 92 + 7(6 + 5x) = 12x + 92 + 42 + 35x = 47x + 134
4) 12(9+8y)+3(11+6y)= 108 + 96y + 3(11 + 6y) = 108 + 96y + 33 + 18y = 141 + 114y
1) 2(х+3)+5(х+1)= 2x + 6 + 5(x + 1) = 2x + 6 + 5x + 5 = 7x + 11
2) 9(7+y)+8(6+y)= 63 + 9y + 8(6 + y) = 63 + 9y + 48 + 8y = 111 + 17y
3) 4(3x+23)+7(6+5x)= 12x + 92 + 7(6 + 5x) = 12x + 92 + 42 + 35x = 47x + 134
4) 12(9+8y)+3(11+6y)= 108 + 96y + 3(11 + 6y) = 108 + 96y + 33 + 18y = 141 + 114y