Mathematics

10 March, 12:59

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?

6x + 2 (-2x + 1) = 22

-2x + 1 = 6x + 2y

6 (-2x + 1) + 2y = 22

6 (y = - 2x + 1)

+5

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