19d-15d-3d+d=20

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Solution for 19d-15d-3d+d=20 equation: 


Simplifying
19d + -15d + -3d + d = 20

Combine like terms: 19d + -15d = 4d
4d + -3d + d = 20

Combine like terms: 4d + -3d = 1d
1d + d = 20

Combine like terms: 1d + d = 2d
2d = 20

Solving
2d = 20

Solving for variable 'd'.

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

Divide each side by '2'.
d = 10

Simplifying
d = 10

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