3(2.5)=5y

Solution for 3(2.5)=5y equation:

Simplifying
3(2.5) = 5y

Multiply 3 * 2.5
7.5 = 5y

Solving
7.5 = 5y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-5y' to each side of the equation.
7.5 + -5y = 5y + -5y

Combine like terms: 5y + -5y = 0
7.5 + -5y = 0

Add '-7.5' to each side of the equation.
7.5 + -7.5 + -5y = 0 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + -5y = 0 + -7.5
-5y = 0 + -7.5

Combine like terms: 0 + -7.5 = -7.5
-5y = -7.5

Divide each side by '-5'.
y = 1.5

Simplifying
y = 1.5