Alex S. answered • 06/07/14
Tutor
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UConn Chemical Engineering Student Tutoring Math and Chemistry
You are given a system of equations with two unknowns. In this case, the substitution method would be the easiest method to use. You know that y = 4x, so substitute that into y = 3x-4, which is 4x = 3x-4. Solve for x use that to solve for y.
