d+5(d-1)=7

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Solution for d+5(d-1)=7 equation:


Simplifying
d + 5(d + -1) = 7

Reorder the terms:
d + 5(-1 + d) = 7
d + (-1 * 5 + d * 5) = 7
d + (-5 + 5d) = 7

Reorder the terms:
-5 + d + 5d = 7

Combine like terms: d + 5d = 6d
-5 + 6d = 7

Solving
-5 + 6d = 7

Solving for variable 'd'.

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

Add '5' to each side of the equation.
-5 + 5 + 6d = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 6d = 7 + 5
6d = 7 + 5

Combine like terms: 7 + 5 = 12
6d = 12

Divide each side by '6'.
d = 2

Simplifying
d = 2

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