Solve for u.

u-3/15 = 2/5

Simplify your answer as much as possible.

3 answers

To solve for u, we can begin by adding 3/15 to both sides of the equation:

u - 3/15 + 3/15 = 2/5 + 3/15

Simplifying the left side, we have:

u = 2/5 + 1/5

Combining like terms on the right side, we get:

u = 3/5

So the solution for u is u = 3/5.
Apparently u = 9
If u = 9, then let's check if it satisfies the equation:

u - 3/15 = 2/5

9 - 3/15 = 2/5

Multiplying both sides by 15 to eliminate the fraction:

135 - 3 = 6

132 = 6

This is not a true statement, which means that u = 9 is not a solution to the equation.

Therefore, the correct solution for u is u = 3/5.