25+64=c

Solution for 25+64=c equation:

Simplifying
25 + 64 = c

Combine like terms: 25 + 64 = 89
89 = c

Solving
89 = c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
89 + -1c = c + -1c

Combine like terms: c + -1c = 0
89 + -1c = 0

Add '-89' to each side of the equation.
89 + -89 + -1c = 0 + -89

Combine like terms: 89 + -89 = 0
0 + -1c = 0 + -89
-1c = 0 + -89

Combine like terms: 0 + -89 = -89
-1c = -89

Divide each side by '-1'.
c = 89

Simplifying
c = 89