5x+2(x+3)=55

Solution for 5x+2(x+3)=55 equation:

Simplifying
5x + 2(x + 3) = 55

Reorder the terms:
5x + 2(3 + x) = 55
5x + (3 * 2 + x * 2) = 55
5x + (6 + 2x) = 55

Reorder the terms:
6 + 5x + 2x = 55

Combine like terms: 5x + 2x = 7x
6 + 7x = 55

Solving
6 + 7x = 55

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 + 7x = 55 + -6

Combine like terms: 6 + -6 = 0
0 + 7x = 55 + -6
7x = 55 + -6

Combine like terms: 55 + -6 = 49
7x = 49

Divide each side by '7'.
x = 7

Simplifying
x = 7