7(d-1)=

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Solution for 7(d-1)= equation: 


Simplifying
7(d + -1) = 0

Reorder the terms:
7(-1 + d) = 0
(-1 * 7 + d * 7) = 0
(-7 + 7d) = 0

Solving
-7 + 7d = 0

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 + 7d = 0 + 7

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

Combine like terms: 0 + 7 = 7
7d = 7

Divide each side by '7'.
d = 1

Simplifying
d = 1

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