Huilan's age is two times thomas's age. the sum of their ages is 78 . what is thomas's age?

Let x equal Thomas' age.  Then Huilan's age is 2x.  Set up an equation to model this situation:

x+2x=78

*Combine like terms*

3x=78

*Divide both sides by 3*

x=26

Hope this helps!!

step-by-step explanation:

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when the line is dashed:

this > inequality sign means:

this < inequality sign means:

this > inequality sign means:

this < inequality sign means:

about the problem:

srry i'm not done ! i'll