3(2d+5)+4d=85

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Solution for 3(2d+5)+4d=85 equation: 


Simplifying
3(2d + 5) + 4d = 85

Reorder the terms:
3(5 + 2d) + 4d = 85
(5 * 3 + 2d * 3) + 4d = 85
(15 + 6d) + 4d = 85

Combine like terms: 6d + 4d = 10d
15 + 10d = 85

Solving
15 + 10d = 85

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 + 10d = 85 + -15

Combine like terms: 15 + -15 = 0
0 + 10d = 85 + -15
10d = 85 + -15

Combine like terms: 85 + -15 = 70
10d = 70

Divide each side by '10'.
d = 7

Simplifying
d = 7

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