SOLUTION: mr. walker is 22 years old and his son joel, is 2 years old. How many years will it be until mr. walker is 3 times older than his son?

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Question 511008: mr. walker is 22 years old and his son joel, is 2 years old. How many years will it be until mr. walker is 3 times older than his son?
Answer by saisaikhamlay1500(1) About Me  (Show Source):
You can put this solution on YOUR website!
Solved by pluggable solver: SOLVE a linear equation
Solve 2%2Ax%2B1=5. Move 1 to the right: 2%2Ax=5-1. Divide by 2: x=%285-1%29%2F2=4%2F2+=+2
Solved by pluggable solver: Linear System solver (using determinant)
Solve:
+system%28+%0D%0A++++1%5Cx+%2B+1%5Cy+=+2%2C%0D%0A++++1%5Cx+%2B+-1%5Cy+=+0+%29%0D%0A++

Any system of equations:


has solution

or



(x=1, y=1}