13d-11d-2d+2d+d+1=19

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Solution for 13d-11d-2d+2d+d+1=19 equation:


Simplifying
13d + -11d + -2d + 2d + d + 1 = 19

Reorder the terms:
1 + 13d + -11d + -2d + 2d + d = 19

Combine like terms: 13d + -11d = 2d
1 + 2d + -2d + 2d + d = 19

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

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

Solving
1 + 3d = 19

Solving for variable 'd'.

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

Add '-1' to each side of the equation.
1 + -1 + 3d = 19 + -1

Combine like terms: 1 + -1 = 0
0 + 3d = 19 + -1
3d = 19 + -1

Combine like terms: 19 + -1 = 18
3d = 18

Divide each side by '3'.
d = 6

Simplifying
d = 6

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