5X-1與4-3X互為相反數(shù)
則 5x-1 + 4-3x = 0
2x+3=0
x=-1.5
當(dāng)代數(shù)式5X-1與4-3X互為相反數(shù)則X=?
當(dāng)代數(shù)式5X-1與4-3X互為相反數(shù)則X=?
數(shù)學(xué)人氣:207 ℃時間:2019-12-01 06:49:29
優(yōu)質(zhì)解答
我來回答
類似推薦
- 當(dāng)x=?代數(shù)式2分之5-3x和2分之一乘{(lán)5x-(3x-5)}的值互為相反數(shù)?
- 當(dāng)x取什么值時,代數(shù)式x^2+3x+1的值與-5x-4的值互為相反數(shù)?.
- 已知代數(shù)式5x+8與代數(shù)式9-3x互為相反數(shù),求x的值
- 當(dāng)x=____時,代數(shù)式5x+1與3x-9的值互為相反數(shù)
- 若代數(shù)式3x-4與-5x+8的值互為相反數(shù),則x=( )
- 一元一次方程x2+(2m-1)x+m2=0,有兩個實數(shù)根x1,x2 (1)求實數(shù)m的取值范圍 (2)當(dāng)x12-x22=0時,求m
- 城市污染對人類有何危害
- ______ a lot of books,the boy knows much more than the boys of his age.
- Lucy often does her homework at school改為一般疑問句
- 我父親似乎很高興.My father ___ ___ ____ happy.
- much to 和 many 區(qū)別
- You are my little little apple~誰會翻譯吶
猜你喜歡
- 1描寫霧海 的四字詞語
- 2填空1:he always gets to school by s( ).2:it is ten minutes h( ) from my home to school
- 3我國唯一注入北冰洋的河流是哪條河流
- 4就是做題時候在化學(xué)式下方量的書寫方法.1:1的含義、
- 5將50mL4mol/L的AlCl3溶液與4mol/L的NaOH溶液反應(yīng)后得沉淀7.8g,所消耗NaOH溶液的體積為多少mL?
- 6幾個數(shù)的最大公因數(shù)是最小公倍數(shù)的()數(shù),幾個數(shù)的最小公倍數(shù)是最大公因數(shù)的()數(shù)
- 7需要英語的春節(jié)短語!
- 8酸根離子指什么?
- 9求解軌跡問題
- 10設(shè)f(x)=ax^2+bx+c(a≠0) ; 若f(x+1)=f(-x),求證-b/2a=1
- 11英語翻譯
- 12怎么做啊?要過程.某電視機(jī)廠某型號電視比去年增產(chǎn)40%,實際比計劃多生產(chǎn)20%,此型號電視今年實際產(chǎn)量是去年的( )%?