5(d+4)=7(d+4)

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


Simplifying
5(d + 4) = 7(d + 4)

Reorder the terms:
5(4 + d) = 7(d + 4)
(4 * 5 + d * 5) = 7(d + 4)
(20 + 5d) = 7(d + 4)

Reorder the terms:
20 + 5d = 7(4 + d)
20 + 5d = (4 * 7 + d * 7)
20 + 5d = (28 + 7d)

Solving
20 + 5d = 28 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
20 + 5d + -7d = 28 + 7d + -7d

Combine like terms: 5d + -7d = -2d
20 + -2d = 28 + 7d + -7d

Combine like terms: 7d + -7d = 0
20 + -2d = 28 + 0
20 + -2d = 28

Add '-20' to each side of the equation.
20 + -20 + -2d = 28 + -20

Combine like terms: 20 + -20 = 0
0 + -2d = 28 + -20
-2d = 28 + -20

Combine like terms: 28 + -20 = 8
-2d = 8

Divide each side by '-2'.
d = -4

Simplifying
d = -4

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