5d-3=7d+9

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Solution for 5d-3=7d+9 equation:


Simplifying
5d + -3 = 7d + 9

Reorder the terms:
-3 + 5d = 7d + 9

Reorder the terms:
-3 + 5d = 9 + 7d

Solving
-3 + 5d = 9 + 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.
-3 + 5d + -7d = 9 + 7d + -7d

Combine like terms: 5d + -7d = -2d
-3 + -2d = 9 + 7d + -7d

Combine like terms: 7d + -7d = 0
-3 + -2d = 9 + 0
-3 + -2d = 9

Add '3' to each side of the equation.
-3 + 3 + -2d = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -2d = 9 + 3
-2d = 9 + 3

Combine like terms: 9 + 3 = 12
-2d = 12

Divide each side by '-2'.
d = -6

Simplifying
d = -6

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