4(d+3)=20

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Solution for 4(d+3)=20 equation: 


Simplifying
4(d + 3) = 20

Reorder the terms:
4(3 + d) = 20
(3 * 4 + d * 4) = 20
(12 + 4d) = 20

Solving
12 + 4d = 20

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 + 4d = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 4d = 20 + -12
4d = 20 + -12

Combine like terms: 20 + -12 = 8
4d = 8

Divide each side by '4'.
d = 2

Simplifying
d = 2

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