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2 cards from this section. Quick, good the night before a test.
Use the elimination method to solve: 4x + 2y = 20 and 2x + y = 10.
Look to align coefficients for y.
Solve using elimination: x + 3y = 12 and 2x + 2y = 12.
Subtract the first equation from the second to eliminate x.
What method do you use to eliminate one variable in simultaneous equations?
Think about the name of the method.
True or False: The elimination method can only be used when both numbers are positive.
Consider the flexibility of mathematical operations.
Solve: 2(x - 1) + 3y = 11 and 3(x + 4) - 2y = 5.
Start by simplifying the equations before trying to eliminate.
For the system: 6x + 8y = 36 and 9x - 2y = 5, solve for x and y.
Align coefficients systematically for best results.
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