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Solve the Equation log21(x+84)=3log21x\log _ { 21 } ( x + 84 ) = 3 - \log _ { 21 } x

Question 187

Multiple Choice

Solve the equation.
- log21(x+84) =3log21x\log _ { 21 } ( x + 84 ) = 3 - \log _ { 21 } x


A) {63}\{ 63 \}
B) {147}\{ 147 \}
C) {147}\{ - 147 \}
D) {63}\{ - 63 \}

Correct Answer:

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