4X(3+2x)=100怎么解
问题描述:
4X(3+2x)=100怎么解
答
100/4=25
25-3=22
22/2=11
/是除号
答
4 × (3 + 2x) = 100
3 + 2x = 100 ÷ 4
3 + 2x = 25
2x = 25 - 3
2x = 22
x = 22 ÷ 2
x = 11