katemichelle14 katemichelle14

29-10-2019
Mathematics

contestada

12Х+3y=74 and 4x+12y=724 solve for the solution to the system

Respuesta :

yellowyarn2003 yellowyarn2003

29-10-2019

Answer:

(-9.7,63.6)

Step-by-step explanation:

12x + 3y = 74

4x + 12y = 724

x + 3y = 181

3y = -12x + 74

3y = -x + 181

-12x + 74 = -x + 181

-11x = 107

x = -9.7

-9.7 + 3y = 181

3y = 190.7

y = 63.6

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