(7x+2)3-8x=

Solution for (7x+2)3-8x= equation:

Simplifying
(7x + 2) * 3 + -8x = 0

Reorder the terms:
(2 + 7x) * 3 + -8x = 0

Reorder the terms for easier multiplication:
3(2 + 7x) + -8x = 0
(2 * 3 + 7x * 3) + -8x = 0
(6 + 21x) + -8x = 0

Combine like terms: 21x + -8x = 13x
6 + 13x = 0

Solving
6 + 13x = 0

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 + 13x = 0 + -6

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

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

Divide each side by '13'.
x = -0.4615384615

Simplifying
x = -0.4615384615