Simone(8分)解方程.0.3x+13=254x﹣6×9=987x+3x+26=743.8x﹣x=0.56．
的有关信息介绍如下：
(8分)解方程.
[解答]解:(1)0.3x+13=25,
0.3x+13﹣13=25﹣13,
0.3x=12,
0.3x÷0.3=12÷0.3,
x=40;
(2)4x﹣6×9=98,
4x﹣54=98,
4x﹣54+54=98+54,
4x=152,
4x÷4=152÷4,
x=38;
(3)7x+3x+26=74,
10x+26=74,
10x+26﹣26=74﹣26,
10x=48,
10x÷10=48÷10,
x=4.8;
(4)3.8x﹣x=0.56,
2.8x=0.56,
2.8x÷2.8=0.56÷2.8,
x=0.2.
