2x + 4(50-x)=50 2x + 4(50-x)=50大家不要看错了,是:2x + 4×(50-x)=50然后:2x-4(50-x)=40怎么解
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2x+4(50-x)=502x+4(50-x)=50大家不要看错了,是:2x+4×(50-x)=50然后:2x-4(50-x)=40怎么解2x+4(50-x)=502x+4(50-x)=50大家不要看
2x + 4(50-x)=50 2x + 4(50-x)=50大家不要看错了,是:2x + 4×(50-x)=50然后:2x-4(50-x)=40怎么解
2x + 4(50-x)=50
2x + 4(50-x)=50
大家不要看错了,是:
2x
+
4×(50-x)
=50
然后:
2x-4(50-x)=40
怎么解
2x + 4(50-x)=50 2x + 4(50-x)=50大家不要看错了,是:2x + 4×(50-x)=50然后:2x-4(50-x)=40怎么解
2x + 4(50-x)=50
2x+200-4x=50
2x-4x=50-200
-2x=-150
x=75
2X+200-4X=50
200-2X=50
150=2X
X=75
2x+4(50-x)=50
2x+200-4x=50
2x-4x=50-200
-2=-150
-x=-75
x=75
2x+200-4x=50
2x-4x=50-200
-2x=-150
x=-150÷(-2)
x=75
2x-200+4x=40
6x=240
x=40
x+3x+x-2+x+x+50%x=188 求x
2x-3分之1(x+1)=4x-(2x+50%)
(x+1)+(x+2)+(X+3).+(x+50)=1325
X+X+2+X+4-(X+4)=26
(16x^4+4x^2+x)/x=?
5*(x-2)=4*(x+3) 2x+(50-x)*4=140 3x-(8-x)=20*4 200x=(x-0.5)*240 12x+34=14*(x-4)
30-3(3-X)=4X 3X+12*6=15X+12 4X-2(50-X)=20 12(X-13)=10(X+3) 100-X=3(20+X)
=(x^2-5x)^2+10(x^2-5x)+24 =x^4-10x^3+25x^2+10x^2-50x+24 这是怎么转化的(X-1)(X-2)(X-3)(X-4) =(X-1)(X-4) (X-2)(X-3)=(x^2-5x+4)(x^2-5x+6)=(x^2-5x)^2+10(x^2-5x)+24=x^4-10x^3+25x^2+10x^2-50x+24=x^4-10x^3+35x^2-50x+24
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
=(x^2-5x+4)(x^2-5x+6) =(x^2-5x)^2+10(x^2-5x)+24 是怎么转化的(X-1)(X-2)(X-3)(X-4) =(X-1)(X-4) (X-2)(X-3)=(x^2-5x+4)(x^2-5x+6)=(x^2-5x)^2+10(x^2-5x)+24=x^4-10x^3+25x^2+10x^2-50x+24=x^4-10x^3+35x^2-50x+24不好意思我弄错了,是=(x^2-5
50*2X=X*(50-X)*10
x/50-4=x/60+2 x=?
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x
x+(2-x)+(4-x)=50怎么解
解方程:(1)2x-19=7x+31 (2)20-2x=x-1 (3)19-x=100-10x (4)1/3x+5=2/3x-62x-19=7x+317x-2x=-19-31这里应该是31+19吧?5x=-50x=-50÷5x=-10
当2x=30x 3x=40x 4x=50x时 那么
4x+2(20-x)=50
2x-4*(40-x)=50