Test Section07SolvingEqTest

Solve ${x^2+1-2x^2\over(x^2+1)^2} = 0$ for $x$.
$x =$
(If your answer has several parts, enter them separated by commas.)

Solve $v^2+v=1$ for $v$.
$v =$
(If your answer has several parts, enter them separated by commas.)

Solve $N^2-2N-3=2N(N-3)$ for $N$ (if there is more than one solution, enter your answers separated by semicolons).

(If your answer has several parts, enter them separated by commas.)

Solve ${5p\over p-4}={1-4p\over p+6}$ for $p$.
$p =$
(If your answer has several parts, enter them separated by commas.)

Solve $L=M+{k\over 2}w$ for $w$.
$w =$

Solve $0.01(2z-5)-0.07=7-15.3z$ for $z$.
$z =$
(Enter your answer without any functions like sine, ln, etc.)

Solve $1+10^{-x}=4.3$ for $x$.

Solve $280=40+30e^{2t}$ for $t$.

Solve $y(y-4)=y-6$ for $y$ (if there is more than one solution, enter your answers separated by semicolons).

(If your answer has several parts, enter them separated by commas.)

Solve $4x^2+y=4$, $y=x+4$ for $x$.
$x =$
(If your answer has several parts, enter them separated by commas.)