-3d=-8-7d

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Solution for -3d=-8-7d equation: 


Simplifying
-3d = -8 + -7d

Solving
-3d = -8 + -7d

Solving for variable 'd'.

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

Add '7d' to each side of the equation.
-3d + 7d = -8 + -7d + 7d

Combine like terms: -3d + 7d = 4d
4d = -8 + -7d + 7d

Combine like terms: -7d + 7d = 0
4d = -8 + 0
4d = -8

Divide each side by '4'.
d = -2

Simplifying
d = -2

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