(2d-1)-(7d-4)=

Solution for (2d-1)-(7d-4)= equation:

Simplifying
(2d + -1) + -1(7d + -4) = 0

Reorder the terms:
(-1 + 2d) + -1(7d + -4) = 0

Remove parenthesis around (-1 + 2d)
-1 + 2d + -1(7d + -4) = 0

Reorder the terms:
-1 + 2d + -1(-4 + 7d) = 0
-1 + 2d + (-4 * -1 + 7d * -1) = 0
-1 + 2d + (4 + -7d) = 0

Reorder the terms:
-1 + 4 + 2d + -7d = 0

Combine like terms: -1 + 4 = 3
3 + 2d + -7d = 0

Combine like terms: 2d + -7d = -5d
3 + -5d = 0

Solving
3 + -5d = 0

Solving for variable 'd'.

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

Add '-3' to each side of the equation.
3 + -3 + -5d = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -5d = 0 + -3
-5d = 0 + -3

Combine like terms: 0 + -3 = -3
-5d = -3

Divide each side by '-5'.
d = 0.6

Simplifying
d = 0.6