01-02-2017
Mathematics

contestada

Use the substitution method to solve the system of equation.choose the correct ordered pair. Y=10x-9 y=x+18

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JaniceneshiaSmith15 JaniceneshiaSmith15

01-02-2017

y=10x-9 , y=x+18
10x-9=x+18
9x-9=18
9x=27
x=3

y=10x-9
y=10 (3)-9
y=30-9
y=21

B. (3,21)Source(s):
My Brain

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AmandaAldama AmandaAldama

29-04-2019

Answer: (3,21)

Step-by-step explanation:

Still correct answer on APEX as of 4/29/19.

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