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