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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)
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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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