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OpenStudy (anonymous):
x + 4y = –9
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hartnn (hartnn):
whats the entire question ?
OpenStudy (anonymous):
f you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the first equation is substituted into the second equation. x + 4y = –9 2x + 5y = –6
hartnn (hartnn):
first equation is substituted into the second equation. so find x from 1st equation x+4y= -9 what u get ?
hartnn (hartnn):
hint: subtract 4y from both sides
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