5d+20=7d-4

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Solution for 5d+20=7d-4 equation:


Simplifying
5d + 20 = 7d + -4

Reorder the terms:
20 + 5d = 7d + -4

Reorder the terms:
20 + 5d = -4 + 7d

Solving
20 + 5d = -4 + 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 = -4 + 7d + -7d

Combine like terms: 5d + -7d = -2d
20 + -2d = -4 + 7d + -7d

Combine like terms: 7d + -7d = 0
20 + -2d = -4 + 0
20 + -2d = -4

Add '-20' to each side of the equation.
20 + -20 + -2d = -4 + -20

Combine like terms: 20 + -20 = 0
0 + -2d = -4 + -20
-2d = -4 + -20

Combine like terms: -4 + -20 = -24
-2d = -24

Divide each side by '-2'.
d = 12

Simplifying
d = 12

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