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If you have two equations, \( x + y = 10 \) and \( 2x - y = 3 \), what is one way to eliminate \( y \)?
  • a)
    Divide both equations
  • b)
    Multiply the first equation
  • c)
    Substitute \( y \) from the first equation into the second
  • d)
    Add the equations
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
If you have two equations, \( x + y = 10 \) and \( 2x - y = 3 \), what...
To eliminate \( y \), one effective method is to substitute \( y \) from the first equation \( y = 10 - x \) into the second equation. This will simplify the problem into a single variable equation.
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