2(1.4x+3)-1.4x=13

Solution for 2(1.4x+3)-1.4x=13 equation:

Simplifying
2(1.4x + 3) + -1.4x = 13

Reorder the terms:
2(3 + 1.4x) + -1.4x = 13
(3 * 2 + 1.4x * 2) + -1.4x = 13
(6 + 2.8x) + -1.4x = 13

Combine like terms: 2.8x + -1.4x = 1.4x
6 + 1.4x = 13

Solving
6 + 1.4x = 13

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 + 1.4x = 13 + -6

Combine like terms: 6 + -6 = 0
0 + 1.4x = 13 + -6
1.4x = 13 + -6

Combine like terms: 13 + -6 = 7
1.4x = 7

Divide each side by '1.4'.
x = 5

Simplifying
x = 5