PLEASE DON'T GUESS!!! What is the solution of the system? Use substitution. y = x + 6 y = 2x A. (–6, –12) B. (–12, –6) C. (2, 4) D. (6, 12)

asked Jul 17, 2018 162k views

3 votes

PLEASE DON'T GUESS!!!

What is the solution of the system? Use substitution. y = x + 6 y = 2x

A. (–6, –12)
B. (–12, –6)
C. (2, 4)
D. (6, 12)

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1 vote

y = x + 6
y = 2x
replace y =2x into y = x + 6

y = x + 6
2x = x + 6
x = 6

y =2x = 2(6) = 12

x = 6 and y =12
answer: D. (6, 12)

Mahmoud Aly answered Jul 22, 2018

5.1k points

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