IDNStudy.com, ang perpektong platform para magtanong at makakuha ng maaasahang mga sagot. Tuklasin ang mga maaasahang impormasyon sa anumang paksa sa pamamagitan ng aming network ng bihasang mga propesyonal.

word problem involving linear equation with solution.

Sagot :

One number is five more than twice another. If their sum is decreased by ten, the result is 22. Find the numbers. 

(I'll use RESAC Form).

R : Let x = the number
     2x + 5 = another number

E : (x+2x+5) - 10 = 22

S(x+2x+5) - 10 = 22
     
3x + 5 - 10 = 22
     3x - 5 = 22
     [tex] \frac{3x}{3} = \frac{27}{3} [/tex]
     x = 9 ; 2x + 5 = 23

A : The numbers are 9 and 23.

C : (x+2x+5) - 10 = 22
     9 + 2(9) + 5 - 10 = 22
     9 + 18 + 5 - 10 = 22
     27 - 5 = 22
     22 = 22