4d-12=7d

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Solution for 4d-12=7d equation:


Simplifying
4d + -12 = 7d

Reorder the terms:
-12 + 4d = 7d

Solving
-12 + 4d = 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.
-12 + 4d + -7d = 7d + -7d

Combine like terms: 4d + -7d = -3d
-12 + -3d = 7d + -7d

Combine like terms: 7d + -7d = 0
-12 + -3d = 0

Add '12' to each side of the equation.
-12 + 12 + -3d = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -3d = 0 + 12
-3d = 0 + 12

Combine like terms: 0 + 12 = 12
-3d = 12

Divide each side by '-3'.
d = -4

Simplifying
d = -4

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