Which equation is an identity?
(1 point)
Responses
11 – (2v + 3) = –2v – 8
11 – (2 v + 3) = –2 v – 8
5w + 8 – w = 6w – 2(w – 4)
5 w + 8 – w = 6 w – 2( w – 4)
7m – 2 = 8m + 4 – m
7 m – 2 = 8 m + 4 – m
8y + 9 = 8y – 3
2 answers
The equation that is an identity is: 8y + 9 = 8y - 3.
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Which equation has no solution?
(1 point)
Responses
5v + 3 = 5v – 5
5 v + 3 = 5 v – 5
2x – 4 = 2x + 7 – x
2 x – 4 = 2 x + 7 – x
2y + 5 – y = 2y – 3(y – 6)
2 y + 5 – y = 2 y – 3( y – 6)
7z + 9 = –7z – 6
Which equation has no solution?
(1 point)
Responses
5v + 3 = 5v – 5
5 v + 3 = 5 v – 5
2x – 4 = 2x + 7 – x
2 x – 4 = 2 x + 7 – x
2y + 5 – y = 2y – 3(y – 6)
2 y + 5 – y = 2 y – 3( y – 6)
7z + 9 = –7z – 6