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OpenStudy (tdskitz):
Solve for x: |2x + 6| − 4 = 20 A| x = 9 and x = 11 B| x = −9 and x = 15 C| x = 9 and x = −15 D| No solution
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OpenStudy (google):
Part 1: 2x+6-4=20 2x+2=20 2x=20-2 x=18/2 x=9
OpenStudy (google):
Part 2: -(2x+6)-4=20 -2x-6-4=20 -2x-10=20 -2x=20+10 -2x=30 x=-15
OpenStudy (google):
What would your answer be?
OpenStudy (tdskitz):
C?
OpenStudy (google):
Correct!
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