6+7[4x+8]=34

Solution for 6+7[4x+8]=34 equation:

Simplifying
6 + 7[4x + 8] = 34

Reorder the terms:
6 + 7[8 + 4x] = 34
6 + [8 * 7 + 4x * 7] = 34
6 + [56 + 28x] = 34

Combine like terms: 6 + 56 = 62
62 + 28x = 34

Solving
62 + 28x = 34

Solving for variable 'x'.

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

Add '-62' to each side of the equation.
62 + -62 + 28x = 34 + -62

Combine like terms: 62 + -62 = 0
0 + 28x = 34 + -62
28x = 34 + -62

Combine like terms: 34 + -62 = -28
28x = -28

Divide each side by '28'.
x = -1

Simplifying
x = -1