X/3+2*20=2x+5
问题描述:
X/3+2*20=2x+5
答
x/3+2*20-5=2x
1/3x+35=2x
5/3 x =35
x =21
X/3+2*20=2x+5
x/3+2*20-5=2x
1/3x+35=2x
5/3 x =35
x =21