(7x-3x+59)/3=29怎么晕?
问题描述:
(7x-3x+59)/3=29怎么晕?
答
(7x-3x+59)/3=29
4x+59=3*29
4x=87-59
4x=28
x=74(x-17)=1该怎么做?谢谢4(x-17)=1
x-14=1/4
x=1/4+14