Solve -2y+5z=-3, y=-5x-4z-5, x=4z+4 by Substitution

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Solve -2y+5z=-3, y=-5x-4z-5, x=4z+4 by substitution. We learn how to solve -2y+5z=-3, y=-5x-4z-5, x=4z+4 by substitution which is on the topic of Solving Systems of Three Equations w/ Substitution with this free online math video lesson. This video uses the substitution method to solve a system of three equations. We show you step by step how to solve each system by substitution of three equations. #systemsofthreeequations #substitution #minutemath

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