1) 17x + 18x = 700
35x = 700
x = 20
2) 41y - 17y = 480
24y = 480
y = 20
3) 39x + 33x = 432
72x = 432
x = 6
4) 82z - 57z = 575
25z = 575
z = 23
1) 17x + 18x = 700
35x = 700
x = 20
2) 41y - 17y = 480
24y = 480
y = 20
3) 39x + 33x = 432
72x = 432
x = 6
4) 82z - 57z = 575
25z = 575
z = 23