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Mathematics, 18.09.2019 11:00 xoxotrish5401

Can someone me? i don't understand this.
a system of equations is given below:
y = –2x + 1
6x + 2y = 22
which of the following steps could be used to solve by substitution? (4 points)
select one:
a. 6x + 2(–2x + 1) = 22
b. –2x + 1 = 6x + 2y
c. 6(–2x + 1) + 2y = 22
d. 6(y = –2x + 1)

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Answers: 2

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Can someone me? i don't understand this.
a system of equations is given below:
y =...
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