d+3=2(4d+7)

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Solution for d+3=2(4d+7) equation:


Simplifying
d + 3 = 2(4d + 7)

Reorder the terms:
3 + d = 2(4d + 7)

Reorder the terms:
3 + d = 2(7 + 4d)
3 + d = (7 * 2 + 4d * 2)
3 + d = (14 + 8d)

Solving
3 + d = 14 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
3 + d + -8d = 14 + 8d + -8d

Combine like terms: d + -8d = -7d
3 + -7d = 14 + 8d + -8d

Combine like terms: 8d + -8d = 0
3 + -7d = 14 + 0
3 + -7d = 14

Add '-3' to each side of the equation.
3 + -3 + -7d = 14 + -3

Combine like terms: 3 + -3 = 0
0 + -7d = 14 + -3
-7d = 14 + -3

Combine like terms: 14 + -3 = 11
-7d = 11

Divide each side by '-7'.
d = -1.571428571

Simplifying
d = -1.571428571

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