解方程33.4-2x=6.8,3.4x一5.8=1
问题描述:
解方程33.4-2x=6.8,3.4x一5.8=1
答
33.4-2x=6.8
-2x=6.8-33.4
-2x=-26.6
x=13.3
3.4x-5.8=1
3.4x=1+5.8
3.4x=6.8
x =2