51=6+5.50x+3.50x

Solution for 51=6+5.50x+3.50x equation:

Simplifying
51 = 6 + 5.50x + 3.50x

Combine like terms: 5.50x + 3.50x = 9x
51 = 6 + 9x

Solving
51 = 6 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
51 + -9x = 6 + 9x + -9x

Combine like terms: 9x + -9x = 0
51 + -9x = 6 + 0
51 + -9x = 6

Add '-51' to each side of the equation.
51 + -51 + -9x = 6 + -51

Combine like terms: 51 + -51 = 0
0 + -9x = 6 + -51
-9x = 6 + -51

Combine like terms: 6 + -51 = -45
-9x = -45

Divide each side by '-9'.
x = 5

Simplifying
x = 5