-2d+d=8-15

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Solution for -2d+d=8-15 equation: 


Simplifying
-2d + d = 8 + -15

Combine like terms: -2d + d = -1d
-1d = 8 + -15

Combine like terms: 8 + -15 = -7
-1d = -7

Solving
-1d = -7

Solving for variable 'd'.

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

Divide each side by '-1'.
d = 7

Simplifying
d = 7

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