求解几道文字方程题请列式,Simson has $38,if he gives $8 to Nicholas ,then Nic_英语解答

求解几道文字方程题请列式,
Simson has $38,if he gives $8 to Nicholas ,then Nicholas will have the same amount of money as Simson .How much does Nicholas originally have
Sammi originally had $（18x-400）pocket money .after buying 7x/4 sweets,$6 were left.Given that the price of each sweet is $2
A． Express ,in terms of x,the amount of money Sammi had spent to buy sweets.
B． Find the value of x
C． How much did Sammi originally have?

人气：495 ℃　时间：2019-12-25 13:42:39

解答

翻译一下Simson有$38,如果他给Nicholas$8的话,Nicholas的钱数就和Simson的钱数一样.Nicholas原来有多少钱?（38-8*2=22)Sammi原来有$(18x-400)的零花钱.买了7x/4的糖果之后,只剩下$6.每个糖果的价钱是$2A、表达（用x...