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addition method

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Equations involving fractions or decimals, solve using the addition method

1. 3/7x + 5/9y = 27
1/9x + 2/7y = 7

2. 3x -2.5y = 7.125
2.5x - 3y = 7.3125

3. solve by graphing. Indicate whether each system is: independent, dependent, inconsistent
y = 3x - 4
y = 2x + 1

3x - y = 4
3x - y = 0

© BrainMass Inc. brainmass.com March 21, 2019, 8:05 pm ad1c9bdddf
https://brainmass.com/math/linear-algebra/systems-linear-equations-using-variables-320326

Solution Summary

The addition method is embodied. The expert solves questions by graphing.

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