3(d-2)=30

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Solution for 3(d-2)=30 equation: 


Simplifying
3(d + -2) = 30

Reorder the terms:
3(-2 + d) = 30
(-2 * 3 + d * 3) = 30
(-6 + 3d) = 30

Solving
-6 + 3d = 30

Solving for variable 'd'.

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

Add '6' to each side of the equation.
-6 + 6 + 3d = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 3d = 30 + 6
3d = 30 + 6

Combine like terms: 30 + 6 = 36
3d = 36

Divide each side by '3'.
d = 12

Simplifying
d = 12

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