55x-2(x+3)=90

Solution for 55x-2(x+3)=90 equation:

Simplifying
55x + -2(x + 3) = 90

Reorder the terms:
55x + -2(3 + x) = 90
55x + (3 * -2 + x * -2) = 90
55x + (-6 + -2x) = 90

Reorder the terms:
-6 + 55x + -2x = 90

Combine like terms: 55x + -2x = 53x
-6 + 53x = 90

Solving
-6 + 53x = 90

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 53x = 90 + 6

Combine like terms: -6 + 6 = 0
0 + 53x = 90 + 6
53x = 90 + 6

Combine like terms: 90 + 6 = 96
53x = 96

Divide each side by '53'.
x = 1.811320755

Simplifying
x = 1.811320755