问题
解答题
解方程
x+18=52 5x-1.5x=59.5.
答案
(1)x+18=52,
x+18-18=52-18,
x=34;
(2)5x-1.5x=59.5,
3.5x=59.5,
3.5x÷3.5=59.5÷3.5,
x=17.
解方程
x+18=52 5x-1.5x=59.5.
(1)x+18=52,
x+18-18=52-18,
x=34;
(2)5x-1.5x=59.5,
3.5x=59.5,
3.5x÷3.5=59.5÷3.5,
x=17.