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Mathematics 21 Online
OpenStudy (gokuporter):

http://prntscr.com/564rs8

OpenStudy (studygurl14):

The first one is a contradiction because... 22 - 3x + 7x = 4(x + 5) 22 + 4x = 4x + 20 \(22\neq 20\)

OpenStudy (gokuporter):

second is a

OpenStudy (studygurl14):

The second one is neither

OpenStudy (studygurl14):

An identity is basically when there are infinite solutions. The second has one solution

OpenStudy (studygurl14):

The third is identity

OpenStudy (gokuporter):

oh

OpenStudy (studygurl14):

The last one is neither as well

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