請教三道數(shù)學(xué)題（英文的）
請教三道數(shù)學(xué)題（英文的）
(1) six less than a number is the same as five more than three times the number
(2) four more than twice a number is seventeen
(3) 15 less than the product of a number and 4 is equal to 3 times the sum of 8 and the number
希望可以把題意和解題方法講明白一點(diǎn)
(1) six less than a number is the same as five more than three times the number
(2) four more than twice a number is seventeen
(3) 15 less than the product of a number and 4 is equal to 3 times the sum of 8 and the number
希望可以把題意和解題方法講明白一點(diǎn)
英語人氣：135 ℃時(shí)間：2020-04-09 17:02:47
優(yōu)質(zhì)解答
（1）設(shè)此number為x,根據(jù)題意有如下方程：3x+5=x-6,x=-5.5給你解釋下第一題題意吧,方程的前部分,即six less than a number,意思是比某數(shù)少6,即x-6,等號(hào)即is the same as,方程的后部分,即five more than three times ...
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