Solve the system by substitution, if possible. $5 ^ { x } = 9$
A) $- 0.5579$
B) $- 1.7925$
C) $v ^ { - 3 }$
D) infinitely many solutions, dependent equations
E) no solution, inconsistent system

Question

Quizplus · Accepted Answer

We can take the logarithm of both sides to solve for x: $$x\log5=\log9$$
$$x=\frac{\log9}{\log5}\approx-0.5579$$
Therefore, the solution is A.

Solve the System by Substitution, If Possible 5x=95 ^ { x } = 95x=9

Solve the System by Substitution, If Possible $5 ^ { x } = 9$