Solve the following absolute value equation.

|2x - 10| = |x + 1|

For the formula shown, solve for the indicated variable. Are you familiar with the formula? What does it represent? 

S = πrl + πr² for l

Solve the following formula for the indicated variable. What does the formula describe?

E = (1/2)mv² for m

Solve the following formula for the indicated variable. What does the formula describe? 

L = 2πrh for r

Find the value of x for the given radical equation and perform the checking of the solutions. √(3x + 14) - √(5 +3x) = 3

Solve the linear equation given below.

9x - 7(x + 8) = 8(4x + 3)

Calculate the interest Koko earns if he lets Momo borrow \$1122 at a simple interest of 1.35%/month payable over a period of 8 months.