问题 解答题 解方程(1)4.5x+x=11(2)x÷34=43 答案 (1)4.5x+x=11, 5.5x=11, 5.5x÷5.5=11÷5.5, x=2;(2)x÷34=43, x÷34×34=43×34, x=1.