0.5x+0.6(2x+1)=5.7

Solution for 0.5x+0.6(2x+1)=5.7 equation:

Simplifying
0.5x + 0.6(2x + 1) = 5.7

Reorder the terms:
0.5x + 0.6(1 + 2x) = 5.7
0.5x + (1 * 0.6 + 2x * 0.6) = 5.7
0.5x + (0.6 + 1.2x) = 5.7

Reorder the terms:
0.6 + 0.5x + 1.2x = 5.7

Combine like terms: 0.5x + 1.2x = 1.7x
0.6 + 1.7x = 5.7

Solving
0.6 + 1.7x = 5.7

Solving for variable 'x'.

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

Add '-0.6' to each side of the equation.
0.6 + -0.6 + 1.7x = 5.7 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + 1.7x = 5.7 + -0.6
1.7x = 5.7 + -0.6

Combine like terms: 5.7 + -0.6 = 5.1
1.7x = 5.1

Divide each side by '1.7'.
x = 3

Simplifying
x = 3