Solve the Proportion $$\frac { x } { 21 } = \frac { 2 } { x + 1 }$$

question 74

Multiple Choice

Solve the proportion. $$\frac { x } { 21 } = \frac { 2 } { x + 1 }$$

• A) \(\quad x _ { 1 } = - 7 , x _ { 2 } = - 6\)
• B) \(\quad x _ { 1 } = - 7 , x _ { 2 } = 6\)
• C) \(\quad x _ { 1 } = 7 , x _ { 2 } = 6\)
• D) \(\quad x _ { 1 } = 7 , x _ { 2 } = - 6\)
• E) no solutions

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