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OpenStudy (anonymous):
Solve the following system of equations by substitution. 3y = 12 2x + y = -16 A. (-4, -10) B. (-10, 4) C. (4, 10) D. (3, 3)
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pooja195 (pooja195):
solve the first equation whats 12/3
OpenStudy (anonymous):
I don't know
pooja195 (pooja195):
really? why not try whats 12 divided by 3
OpenStudy (anonymous):
ok so basically, 12/3 =4. so you subsitute it in, and it now is 2x+4=-16.
OpenStudy (anonymous):
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