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Solving systems with substitution

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Systems of equations with substitution: y=4x-17.5 & y+2x=6.5

Sal solves the system of equations y = 4x - 17.5 and y + 2x = 6.5 using substitution. Created by Sal Khan and Monterey Institute for Technology and Education.

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Solving linear systems with substitution

Systems of equations with substitution

Systems of equations with substitution: -3x-4y=-2 & y=2x-5

Systems of equations with substitution: -3x-4y=-2 & y=2x-5