5X=4X+2 等于几?
1个回答
5X=4X+2
5X-4X=2
(5-4)X=2
X=2
相关问题
x÷4=(x+2.5)÷6+2.5÷4+15等于几啊?
如果4分之x+6等于5,那么2x+3等于几
X*4.5%+(300000-X)*3.5%=10000 等于几
解不等式5x减2小于等于3(x加4).等于几?
x+7=?4-x=?x-1=?5-x=?分别等于几?
4+3x小于等于2+4x x=几
1x2x3x4x5x6……x50 等于几?它的末尾有几个零?
当x=2,(x-x²-5)-(2x²+7x-3)等于几
3/5x2/5除以3/5x2/5等于几?
5/2x-x等于15/4