Mathematics

Mathematics, 18.08.2019 18:00, NathalyN

Solve by substitution
3x+4y=8
4.5x+6y=12
explain how you got your answer.

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Mathematics, 22.07.2019 13:00, austintules2005

1. solve the system using substitution (1 point) x + y = 8 y = 3x (a). (4, 12) (b). (2, 6) (c). (1/2, 3/2) (d). (-4, -12) 2. solve the system using substitution (1 point) 2x + 2y = 38 y = x + 3 (a). (8, 11) (b). (4, 7) (c). (35/4, 47/4) (d). (-4, -7) 3. solve the system using substitution (1 point) y = 8 - x 7 = 2 - y (a). (5, 13) (b). (13, -5) (c). (3, 5) (d). (21, -13) 4. solve the system using substitution (1 point) 3x + 2y = 23 1/2x - 4 = y (a). (9, -2) (b). (27/4, -5/8) (c). (31/4, -1/8) (d). (3/2, -13/4) 5. solve the system using substitution (1 point) y - 2x = 3 3x - 2y = 5 (a). (-1/2, 2) (b). (2, 7) (c). (-8, -13) (d). (-11, -19) unit 7 lesson 2, solving systems using substitution. if you completed this algebra lesson yet give me the rest of the : )

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Mathematics, 24.09.2019 05:00, MadisonUpky9652

Part a: explain how you will solve the pair of equations by substitution or elimination. show all of the steps and write the solution part b: if the two equations are graphed, at which point will the lines representing the two equations intersect? explain your answer.

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Mathematics, 18.10.2019 20:40, tracyaleblanc

Is it possible to solve the system {3x-2y=10][ x+2y=6} by using substitution? if so,explain how.which method substitution or elimination, is more efficient? why?

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Solve by substitution
3x+4y=8
4.5x+6y=12
explain how you got your answer....

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