-2J+78=J

Solution for -2J+78=J equation:

Simplifying
-2J + 78 = J

Reorder the terms:
78 + -2J = J

Solving
78 + -2J = J

Solving for variable 'J'.

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

Add '-1J' to each side of the equation.
78 + -2J + -1J = J + -1J

Combine like terms: -2J + -1J = -3J
78 + -3J = J + -1J

Combine like terms: J + -1J = 0
78 + -3J = 0

Add '-78' to each side of the equation.
78 + -78 + -3J = 0 + -78

Combine like terms: 78 + -78 = 0
0 + -3J = 0 + -78
-3J = 0 + -78

Combine like terms: 0 + -78 = -78
-3J = -78

Divide each side by '-3'.
J = 26

Simplifying
J = 26