解方程-5/2(-12/5(x/6-17/3)-11/5)+26/7=59/14写出算式步骤
问题描述:
解方程-5/2(-12/5(x/6-17/3)-11/5)+26/7=59/14写出算式步骤
答
-5/2*[-12/5*(x/6-17/3)-11/5]+26/7=59/14?-5/2*[-12/5*(x-34)/6-11/5]+26/7=59/145/2*[2(x-34)/5+11/5]+26/7=59/145/2*(2x-57)/5+26/7=59/14(2x-57)/2=59/14-26/7(2x-57)/2=7/14=1/22x-57=12x=58x=29