10(1.25+1.25y)+3y=5

Solution for 10(1.25+1.25y)+3y=5 equation:

Simplifying
10(1.25 + 1.25y) + 3y = 5
(1.25 * 10 + 1.25y * 10) + 3y = 5
(12.5 + 12.5y) + 3y = 5

Combine like terms: 12.5y + 3y = 15.5y
12.5 + 15.5y = 5

Solving
12.5 + 15.5y = 5

Solving for variable 'y'.

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

Add '-12.5' to each side of the equation.
12.5 + -12.5 + 15.5y = 5 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + 15.5y = 5 + -12.5
15.5y = 5 + -12.5

Combine like terms: 5 + -12.5 = -7.5
15.5y = -7.5

Divide each side by '15.5'.
y = -0.4838709677

Simplifying
y = -0.4838709677