4(2d+7)=2d+25-3(2d+1)

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Solution for 4(2d+7)=2d+25-3(2d+1) equation:


Simplifying
4(2d + 7) = 2d + 25 + -3(2d + 1)

Reorder the terms:
4(7 + 2d) = 2d + 25 + -3(2d + 1)
(7 * 4 + 2d * 4) = 2d + 25 + -3(2d + 1)
(28 + 8d) = 2d + 25 + -3(2d + 1)

Reorder the terms:
28 + 8d = 2d + 25 + -3(1 + 2d)
28 + 8d = 2d + 25 + (1 * -3 + 2d * -3)
28 + 8d = 2d + 25 + (-3 + -6d)

Reorder the terms:
28 + 8d = 25 + -3 + 2d + -6d

Combine like terms: 25 + -3 = 22
28 + 8d = 22 + 2d + -6d

Combine like terms: 2d + -6d = -4d
28 + 8d = 22 + -4d

Solving
28 + 8d = 22 + -4d

Solving for variable 'd'.

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

Add '4d' to each side of the equation.
28 + 8d + 4d = 22 + -4d + 4d

Combine like terms: 8d + 4d = 12d
28 + 12d = 22 + -4d + 4d

Combine like terms: -4d + 4d = 0
28 + 12d = 22 + 0
28 + 12d = 22

Add '-28' to each side of the equation.
28 + -28 + 12d = 22 + -28

Combine like terms: 28 + -28 = 0
0 + 12d = 22 + -28
12d = 22 + -28

Combine like terms: 22 + -28 = -6
12d = -6

Divide each side by '12'.
d = -0.5

Simplifying
d = -0.5

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