103z + 8z – 1z = 990
103z + 8z – z = 990
110z = 990
z = 9
29d – 5d + 1d = 750
29d – 5d + d = 750
25d = 750
d = 30
3y + 4y – 32 = 465
3y + 4y = 465 + 32
7y = 497
y = 71
103z + 8z – 1z = 990
103z + 8z – z = 990
110z = 990
z = 9
29d – 5d + 1d = 750
29d – 5d + d = 750
25d = 750
d = 30
3y + 4y – 32 = 465
3y + 4y = 465 + 32
7y = 497
y = 71