(9)(4)=-d+5.6

Solution for (9)(4)=-d+5.6 equation:

Simplifying
(9)(4) = -1d + 5.6

Multiply 9 * 4
36 = -1d + 5.6

Reorder the terms:
36 = 5.6 + -1d

Solving
36 = 5.6 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
36 + d = 5.6 + -1d + d

Combine like terms: -1d + d = 0
36 + d = 5.6 + 0
36 + d = 5.6

Add '-36' to each side of the equation.
36 + -36 + d = 5.6 + -36

Combine like terms: 36 + -36 = 0
0 + d = 5.6 + -36
d = 5.6 + -36

Combine like terms: 5.6 + -36 = -30.4
d = -30.4

Simplifying
d = -30.4