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Mathematics 9 Online
OpenStudy (anonymous):

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)

rebeccaxhawaii (rebeccaxhawaii):

ideas? remember they give you y so plug it into the next equation

rebeccaxhawaii (rebeccaxhawaii):

plug in y for y

OpenStudy (raffle_snaffle):

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