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OpenStudy (anonymous):
how do i solve this equation 4x-9y=18
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OpenStudy (sandra):
hmmm, if you want to solve for both variables, you will need one more equation
OpenStudy (sandra):
if you want to solve with respect to one variable, e.g. put it into slope intercept form, then that can be done
OpenStudy (sandra):
1. 4x - 9y = 18 2. 4x - 9y - 18 = 18 -18 3. 4x -9y + 9y - 18 = 0 + 9y 4. 9y = 4x - 18 5. 9y/9 = 4x/9 - 18/9 6. y = 4/9x - 2
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