ZWilliams06 ZWilliams06

01-12-2020
Mathematics

contestada

Solve the system of equations-5x-7y=23and 3x+4y=12 by combining the equations

Solve the system of equations5x7y23and 3x4y12 by combining the equations class=

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hunfra267 hunfra267

01-12-2020

Answer:

Step-by-step explanation:

32

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hiyathere16 hiyathere16

01-12-2020

Answer:

x=8 and y= -9

Step-by-step explanation:

(-5x-7y=23)x3

(3x+4y=-12)x5

-15x-21y=69

15x+20y=-60

-y=9

y=-9

x=8

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