3(d-7)=6

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Solution for 3(d-7)=6 equation: 


Simplifying
3(d + -7) = 6

Reorder the terms:
3(-7 + d) = 6
(-7 * 3 + d * 3) = 6
(-21 + 3d) = 6

Solving
-21 + 3d = 6

Solving for variable 'd'.

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

Add '21' to each side of the equation.
-21 + 21 + 3d = 6 + 21

Combine like terms: -21 + 21 = 0
0 + 3d = 6 + 21
3d = 6 + 21

Combine like terms: 6 + 21 = 27
3d = 27

Divide each side by '3'.
d = 9

Simplifying
d = 9

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