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OpenStudy (nuccioreggie):
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)
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OpenStudy (nuccioreggie):
@whovianchick
OpenStudy (whovianchick):
A... you're substitution -2x+1 for y, because y=-2x+1
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