78=15x+5y

Solution for 78=15x+5y equation:

Simplifying
78 = 15x + 5y

Solving
78 = 15x + 5y

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
78 + -15x = 15x + -15x + 5y

Combine like terms: 15x + -15x = 0
78 + -15x = 0 + 5y
78 + -15x = 5y

Add '-78' to each side of the equation.
78 + -78 + -15x = -78 + 5y

Combine like terms: 78 + -78 = 0
0 + -15x = -78 + 5y
-15x = -78 + 5y

Divide each side by '-15'.
x = 5.2 + -0.3333333333y

Simplifying
x = 5.2 + -0.3333333333y