38-4(x+x-1)=7

Solution for 38-4(x+x-1)=7 equation:

Simplifying
38 + -4(x + x + -1) = 7

Reorder the terms:
38 + -4(-1 + x + x) = 7

Combine like terms: x + x = 2x
38 + -4(-1 + 2x) = 7
38 + (-1 * -4 + 2x * -4) = 7
38 + (4 + -8x) = 7

Combine like terms: 38 + 4 = 42
42 + -8x = 7

Solving
42 + -8x = 7

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + -8x = 7 + -42

Combine like terms: 42 + -42 = 0
0 + -8x = 7 + -42
-8x = 7 + -42

Combine like terms: 7 + -42 = -35
-8x = -35

Divide each side by '-8'.
x = 4.375

Simplifying
x = 4.375