9(4d+4)-8=4(8d+20)

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Solution for 9(4d+4)-8=4(8d+20) equation:


Simplifying
9(4d + 4) + -8 = 4(8d + 20)

Reorder the terms:
9(4 + 4d) + -8 = 4(8d + 20)
(4 * 9 + 4d * 9) + -8 = 4(8d + 20)
(36 + 36d) + -8 = 4(8d + 20)

Reorder the terms:
36 + -8 + 36d = 4(8d + 20)

Combine like terms: 36 + -8 = 28
28 + 36d = 4(8d + 20)

Reorder the terms:
28 + 36d = 4(20 + 8d)
28 + 36d = (20 * 4 + 8d * 4)
28 + 36d = (80 + 32d)

Solving
28 + 36d = 80 + 32d

Solving for variable 'd'.

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

Add '-32d' to each side of the equation.
28 + 36d + -32d = 80 + 32d + -32d

Combine like terms: 36d + -32d = 4d
28 + 4d = 80 + 32d + -32d

Combine like terms: 32d + -32d = 0
28 + 4d = 80 + 0
28 + 4d = 80

Add '-28' to each side of the equation.
28 + -28 + 4d = 80 + -28

Combine like terms: 28 + -28 = 0
0 + 4d = 80 + -28
4d = 80 + -28

Combine like terms: 80 + -28 = 52
4d = 52

Divide each side by '4'.
d = 13

Simplifying
d = 13

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