5+0.8(9)=c

Solution for 5+0.8(9)=c equation:

Simplifying
5 + 0.8(9) = c

Multiply 0.8 * 9
5 + 7.2 = c

Combine like terms: 5 + 7.2 = 12.2
12.2 = c

Solving
12.2 = 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.
12.2 + -1c = c + -1c

Combine like terms: c + -1c = 0
12.2 + -1c = 0

Add '-12.2' to each side of the equation.
12.2 + -12.2 + -1c = 0 + -12.2

Combine like terms: 12.2 + -12.2 = 0.0
0.0 + -1c = 0 + -12.2
-1c = 0 + -12.2

Combine like terms: 0 + -12.2 = -12.2
-1c = -12.2

Divide each side by '-1'.
c = 12.2

Simplifying
c = 12.2