20(d-4)+ad=8

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


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

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

Reorder the terms:
-80 + ad + 20d = 8

Solving
-80 + ad + 20d = 8

Solving for variable 'a'.

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

Add '80' to each side of the equation.
-80 + ad + 80 + 20d = 8 + 80

Reorder the terms:
-80 + 80 + ad + 20d = 8 + 80

Combine like terms: -80 + 80 = 0
0 + ad + 20d = 8 + 80
ad + 20d = 8 + 80

Combine like terms: 8 + 80 = 88
ad + 20d = 88

Add '-20d' to each side of the equation.
ad + 20d + -20d = 88 + -20d

Combine like terms: 20d + -20d = 0
ad + 0 = 88 + -20d
ad = 88 + -20d

Divide each side by 'd'.
a = 88d-1 + -20

Simplifying
a = 88d-1 + -20

Reorder the terms:
a = -20 + 88d-1

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