SOLUTION: 8 years ago, the sum of pete's age and matt's age was 26. matt is 4 years older than pete. how old is pete now?

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Question 1050016: 8 years ago, the sum of pete's age and matt's age was 26. matt is 4 years older than pete. how old is pete now?
Found 2 solutions by advanced_Learner, ikleyn:
Answer by advanced_Learner(501)   (Show Source): You can put this solution on YOUR website!
x for pete age now
y for matt age now
8 years ago
x-8
y-8

y=x+4

Solved by pluggable solver: EXPLAIN simplification of an expression
Your Result:


YOUR ANSWER


  • This is an equation! Solutions: x=19.
  • Graphical form: Equation was fully solved.
  • Text form: x-8+x-4=26 simplifies to 0=0
  • Cartoon (animation) form:
    For tutors: simplify_cartoon( x-8+x-4=26 )
  • If you have a website, here's a link to this solution.

DETAILED EXPLANATION

Look at .
Added fractions or integers together
It becomes .
Look at .
Moved -12 to the right of expression
It becomes .
Look at .
Removed extra sign in front of -12
It becomes .
Look at .
Eliminated similar terms highlight_red%28+x+%29,highlight_red%28+x+%29 replacing them with highlight_green%28+%281%2B1%29%2Ax+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Remove unneeded parentheses around factor highlight_red%28+2+%29
It becomes .
Look at .
Moved these terms to the left highlight_green%28+-26+%29
It becomes .
Look at .
Added fractions or integers together
It becomes .
Look at .
Removed extra sign in front of -38
It becomes .
Look at .
Solved linear equation highlight_red%28+2%2Ax-38=0+%29 equivalent to 2*x-38 =0
It becomes .
Result:
This is an equation! Solutions: x=19.

Universal Simplifier and Solver


Done!
Answer by ikleyn(52802)   (Show Source): You can put this solution on YOUR website!
.
When you get so simple equations, do not use online solver.
Solve them on your own.



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