4d-3=d+42

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Solution for 4d-3=d+42 equation:


Simplifying
4d + -3 = d + 42

Reorder the terms:
-3 + 4d = d + 42

Reorder the terms:
-3 + 4d = 42 + d

Solving
-3 + 4d = 42 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
-3 + 4d + -1d = 42 + d + -1d

Combine like terms: 4d + -1d = 3d
-3 + 3d = 42 + d + -1d

Combine like terms: d + -1d = 0
-3 + 3d = 42 + 0
-3 + 3d = 42

Add '3' to each side of the equation.
-3 + 3 + 3d = 42 + 3

Combine like terms: -3 + 3 = 0
0 + 3d = 42 + 3
3d = 42 + 3

Combine like terms: 42 + 3 = 45
3d = 45

Divide each side by '3'.
d = 15

Simplifying
d = 15

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