3(7d-8)=28+9d

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Solution for 3(7d-8)=28+9d equation:


Simplifying
3(7d + -8) = 28 + 9d

Reorder the terms:
3(-8 + 7d) = 28 + 9d
(-8 * 3 + 7d * 3) = 28 + 9d
(-24 + 21d) = 28 + 9d

Solving
-24 + 21d = 28 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
-24 + 21d + -9d = 28 + 9d + -9d

Combine like terms: 21d + -9d = 12d
-24 + 12d = 28 + 9d + -9d

Combine like terms: 9d + -9d = 0
-24 + 12d = 28 + 0
-24 + 12d = 28

Add '24' to each side of the equation.
-24 + 24 + 12d = 28 + 24

Combine like terms: -24 + 24 = 0
0 + 12d = 28 + 24
12d = 28 + 24

Combine like terms: 28 + 24 = 52
12d = 52

Divide each side by '12'.
d = 4.333333333

Simplifying
d = 4.333333333

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