2(2d-7)=(2+4d)2

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


Simplifying
2(2d + -7) = (2 + 4d) * 2

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

Reorder the terms for easier multiplication:
-14 + 4d = 2(2 + 4d)
-14 + 4d = (2 * 2 + 4d * 2)
-14 + 4d = (4 + 8d)

Solving
-14 + 4d = 4 + 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.
-14 + 4d + -8d = 4 + 8d + -8d

Combine like terms: 4d + -8d = -4d
-14 + -4d = 4 + 8d + -8d

Combine like terms: 8d + -8d = 0
-14 + -4d = 4 + 0
-14 + -4d = 4

Add '14' to each side of the equation.
-14 + 14 + -4d = 4 + 14

Combine like terms: -14 + 14 = 0
0 + -4d = 4 + 14
-4d = 4 + 14

Combine like terms: 4 + 14 = 18
-4d = 18

Divide each side by '-4'.
d = -4.5

Simplifying
d = -4.5

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