9x+4x+4x+x=36怎么做?
问题描述:
9x+4x+4x+x=36怎么做?
答
9x+4x+4x+x=36
18x=36
x=2
答
把含有X项加起来
18X=36
X=2
答
18x=36 x=36÷18
答
18x=36
x=2
答
9x+4x+4x+x=36
9x=36-9
9x=27
x=3