4(7-d)=5d

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Solution for 4(7-d)=5d equation:


Simplifying
4(7 + -1d) = 5d
(7 * 4 + -1d * 4) = 5d
(28 + -4d) = 5d

Solving
28 + -4d = 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
28 + -4d + -5d = 5d + -5d

Combine like terms: -4d + -5d = -9d
28 + -9d = 5d + -5d

Combine like terms: 5d + -5d = 0
28 + -9d = 0

Add '-28' to each side of the equation.
28 + -28 + -9d = 0 + -28

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

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

Divide each side by '-9'.
d = 3.111111111

Simplifying
d = 3.111111111

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