7d+5-4d-2=

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Solution for 7d+5-4d-2= equation:


Simplifying
7d + 5 + -4d + -2 = 0

Reorder the terms:
5 + -2 + 7d + -4d = 0

Combine like terms: 5 + -2 = 3
3 + 7d + -4d = 0

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

Solving
3 + 3d = 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 + 3d = 0 + -3

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

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

Divide each side by '3'.
d = -1

Simplifying
d = -1

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