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Mathematics 8 Online
MsBrains (ms-brains):

Solve using the substitution method 5x+2y=7 y=x-7 A.(7,0) B.(3, -4) C.(0,-7) D.(-1,-8)

OpenStudy (triciaal):

replace y in equation 1 with the expression from equation 2 then solve for x . to verify use this value of x in the expression to calculate the value of y.

OpenStudy (danjs):

substitute the choices till one is correct? ...that is also sorta substitution for a multiple choice plug in answer

OpenStudy (triciaal):

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