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Mathematics 17 Online
OpenStudy (anonymous):

Solve the following system using substitution: {y = -2x + 9 and 3x – 4y = 8} A. (1, 4) B. (4, 1) C. (-2, 9) D. (9, -2)

pooja195 (pooja195):

well they already tell u what y equals so \[3x-4(-2x+9)=8\] solve from here

pooja195 (pooja195):

now you just distribute the -4

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