解方程:(1) 85-X=16 (2) 32-X=5 (3) 694-X=88 (4) 41.86-X=18.99

问题描述:

解方程:(1) 85-X=16 (2) 32-X=5 (3) 694-X=88 (4) 41.86-X=18.99

(1)85-x=16
x=85-16
x=69
(2)32-x=5
解x=32-5
x=27
(3)694-x=88
x=694-88
x=606
(4)41.86-x=18.99
x=41.86-18.99
x=22.87