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OpenStudy (anonymous):
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to y from the first equation is substituted into the second equation. 8x – y = –9 4x – 3y = –22 4x – 3(–8x – 9) = –22 4x – 3(8x + 9) = –22 4(8x + 9) – 3y = –22 4(–8x – 9) – 3y = –22 If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to y from the first equation is substituted into the second equation. 8x – y = –9 4x – 3y = –22 4x – 3(–8x – 9) = –22 4x – 3(8x + 9) = –22 4(8x + 9) – 3y = –22 4(–8x – 9) – 3y = –22 @Mathematics
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OpenStudy (saifoo.khan):
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