55=-3d+7

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Solution for 55=-3d+7 equation:


Simplifying
55 = -3d + 7

Reorder the terms:
55 = 7 + -3d

Solving
55 = 7 + -3d

Solving for variable 'd'.

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

Add '3d' to each side of the equation.
55 + 3d = 7 + -3d + 3d

Combine like terms: -3d + 3d = 0
55 + 3d = 7 + 0
55 + 3d = 7

Add '-55' to each side of the equation.
55 + -55 + 3d = 7 + -55

Combine like terms: 55 + -55 = 0
0 + 3d = 7 + -55
3d = 7 + -55

Combine like terms: 7 + -55 = -48
3d = -48

Divide each side by '3'.
d = -16

Simplifying
d = -16

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