mabelisbae mabelisbae

16-01-2017
Mathematics

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Please explain! Topic Name: Solving a word problem with two unknowns using a linear equation
Algebra--

Huilan's age is two times Thomas's age. The sum of their ages is 36. What is Thomas's age?

Respuesta :

16-01-2017

x + y = 36
2x = y

x is Thomas's age
y is Huilan's age

Substitute: x + (2x) = 36
Combine like terms: 3x = 36
Divide both sides: x = 12
Thomas's age is 12.

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