I.am.think.of.a.number.if I.add.4 to the number and then mul

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I.am.think.of.a.number.if I.add.4 to the number and then multiply the result by 3,the answer is the same as subtracting 5 from the numbers and then multiplying the result by
a) Letting x be the number,write an equation.in terms of
b)Solve the equation and find the number that i am thinking of .(请回答a和b两个问题）

我想了一个数,如果我用这个数加上4,然后将结果乘以3,得到的答案和将这个数减去5再乘以2的结果相等.
a）用x表示这个数,写出一个关于x的方程.
b）解这个方称,找出我想的这个数.
a）3(x+4)=2(x-5)
b）解上面的方程
3x+12=2x-10
x=-22

I.am.think.of.a.number.if I.add.4 to the number and then mul I am a number.I am greater than the product of 4 and 8.I am IF I add 8 to five times a certain number,the answer is 43.w if 2/3 is 1/2 of 4/5 of a certain number, then that number i 简单的英语计算题1.I am a number.I am great than the product of 4 and 用a number of或the number of填空 1.I have been to Beijing_____ti Then I __(take)the number 289 bus to school 英语翻译I don't think the number of the people to whom this happ 英语翻译The health club of which I am a number meets once a week If we add 9 to for times a certain number,the answer is 33.W 翻译这段文字“If we add 9 to four times a certain number,the answer " I am number 8 "