To solve for u, you need to isolate u on one side of the equation.
Start by adding 12 to both sides of the equation:
36 + 12 = 4u - 12 + 12
48 = 4u
Next, divide both sides of the equation by 4:
48/4 = 4u/4
12 = u
Therefore, u = 12.
solve for u
36=4u-12
1 answer