3d-19=d-1

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Solution for 3d-19=d-1 equation:


Simplifying
3d + -19 = d + -1

Reorder the terms:
-19 + 3d = d + -1

Reorder the terms:
-19 + 3d = -1 + d

Solving
-19 + 3d = -1 + 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.
-19 + 3d + -1d = -1 + d + -1d

Combine like terms: 3d + -1d = 2d
-19 + 2d = -1 + d + -1d

Combine like terms: d + -1d = 0
-19 + 2d = -1 + 0
-19 + 2d = -1

Add '19' to each side of the equation.
-19 + 19 + 2d = -1 + 19

Combine like terms: -19 + 19 = 0
0 + 2d = -1 + 19
2d = -1 + 19

Combine like terms: -1 + 19 = 18
2d = 18

Divide each side by '2'.
d = 9

Simplifying
d = 9

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