4d+(15+3d)=

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Solution for 4d+(15+3d)= equation:


Simplifying
4d + (15 + 3d) = 0

Remove parenthesis around (15 + 3d)
4d + 15 + 3d = 0

Reorder the terms:
15 + 4d + 3d = 0

Combine like terms: 4d + 3d = 7d
15 + 7d = 0

Solving
15 + 7d = 0

Solving for variable 'd'.

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

Add '-15' to each side of the equation.
15 + -15 + 7d = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 7d = 0 + -15
7d = 0 + -15

Combine like terms: 0 + -15 = -15
7d = -15

Divide each side by '7'.
d = -2.142857143

Simplifying
d = -2.142857143

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