20(d-4)+4d=8

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


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

Reorder the terms:
20(-4 + d) + 4d = 8
(-4 * 20 + d * 20) + 4d = 8
(-80 + 20d) + 4d = 8

Combine like terms: 20d + 4d = 24d
-80 + 24d = 8

Solving
-80 + 24d = 8

Solving for variable 'd'.

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

Add '80' to each side of the equation.
-80 + 80 + 24d = 8 + 80

Combine like terms: -80 + 80 = 0
0 + 24d = 8 + 80
24d = 8 + 80

Combine like terms: 8 + 80 = 88
24d = 88

Divide each side by '24'.
d = 3.666666667

Simplifying
d = 3.666666667

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