Find the first step in solving the equation. 4(x - 2) + 2x = 30

On an airplane there are two seats on the left side and three seats on the right side there are 90 seats o the right side of the plane

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?