x-38+14=(90-x)+38-14 怎么算?快
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x-38+14=(90-x)+38-14 怎么算?快
x-38+14=(90-x)+38-14 怎么算?
快
x-38+14=(90-x)+38-14 怎么算?快
x-24=(90-x)+24
x-24=114-x
2x=138
x=69
x-24=(90-x)+24
x-24=114-x
2x=138
x=69
x-38+14=(90-x)+38-14
(x-38)+14=90-(x-38)-14
2(x-38)=90-2*14
x-38=90/2-2*14/2=45-14=31
x=31+38=69
x-38+14=(90-x)+38-14 两边加上14、去括号
x-38+28=90-x+38 两边加38
x+28=90-x+76 两边加x
2x+28=166
2x=138
x=69
6.8+60%x=14 x+45%x=11.6 75%x-四分之一x=38
14x-12=38-x x=?
x-14x=38 解方程
1.5x+20=14x-612.2x-2=10x-663.9+12X = 119+X4.3x+12=75-6x5.76-4x=7x+216.-32 - 5x=13-10x7.152-4x= 6x+228.2x+10 = -90-8x9.-151-9x=10x+2010.10-9x= 135-44x11.250-7x=38x+15
x-(13x-1+15x+14x+2)=38怎么计算
x-38+14=(90-x)+38-14 怎么算?快
若(x+a)x(x+2)=x的平方-5x-14
6x+4x(8-x)=38
1.90%x(1+20%)+90%x(1+15%)*(2200-x)=2200+1312.12%x+14x%(30-x)=43.90%x*24(1+20%x)=x
(3x+2)(x+3)=x+14
(x^3)^()*x^2=x^14
14x=12+x 求X
35道.符号^代表平方.读起来就是(X的平方).1,x^-x-202,x^-9x+203,x^-9x-204,x^+9x+205,x^-18x+326,x^+14x-317,x^+18x+328,x^+14x-329,x^+19x+4810,x^+47x-4811,x^+13x-4812,x^+2x-4813,x^+26x+4814,x^-22x-4815,x^+17x+7216,x^+21x-10017,x^-x-7218,x
x + x+27 + 2(x+x+27) + 2(x+x+27)-38=147的过程怎么解
一元二次方程解答!x(5x+4)=5x+44x^2-45=31x-3x^2+22x-24=0(x+8)(x+1)= -12(3x+2)(x+3)=x+14
1、1/2x=2/x+32、x/x+1=(2x/3x+3)+13、2/x-1=4/x²-14、5/x²+x-1/x²-x=0
0.5X*(14-X)=24
5x-(x-2)=14