14D: Solutions by Elimination
Key Points
- Useful method when both equations are in standard form
- The steps are as follows:
- Preview the equations and determine what value is the easiest to eliminate.
- Multiply one entire equation by a number that makes the coefficients equal and opposite.
- Add the entire equations together to eliminate the variable.
- Solve for the unknown variable
- Substitute the found variable to find the unknown variable.
Couts Input
Other Input
Extra Practice
13G.2 - Exercises
1-3 every other (a,c,e,g,i,j(