Hi, can someone me with this problem? in advance!

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality