8d-7=-79

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Solution for 8d-7=-79 equation:


Simplifying
8d + -7 = -79

Reorder the terms:
-7 + 8d = -79

Solving
-7 + 8d = -79

Solving for variable 'd'.

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

Add '7' to each side of the equation.
-7 + 7 + 8d = -79 + 7

Combine like terms: -7 + 7 = 0
0 + 8d = -79 + 7
8d = -79 + 7

Combine like terms: -79 + 7 = -72
8d = -72

Divide each side by '8'.
d = -9

Simplifying
d = -9

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