3(d+4)=30

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Solution for 3(d+4)=30 equation: 


Simplifying
3(d + 4) = 30

Reorder the terms:
3(4 + d) = 30
(4 * 3 + d * 3) = 30
(12 + 3d) = 30

Solving
12 + 3d = 30

Solving for variable 'd'.

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

Add '-12' to each side of the equation.
12 + -12 + 3d = 30 + -12

Combine like terms: 12 + -12 = 0
0 + 3d = 30 + -12
3d = 30 + -12

Combine like terms: 30 + -12 = 18
3d = 18

Divide each side by '3'.
d = 6

Simplifying
d = 6

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