4(d-1)=8

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Solution for 4(d-1)=8 equation: 


Simplifying
4(d + -1) = 8

Reorder the terms:
4(-1 + d) = 8
(-1 * 4 + d * 4) = 8
(-4 + 4d) = 8

Solving
-4 + 4d = 8

Solving for variable 'd'.

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

Add '4' to each side of the equation.
-4 + 4 + 4d = 8 + 4

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

Combine like terms: 8 + 4 = 12
4d = 12

Divide each side by '4'.
d = 3

Simplifying
d = 3

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