-500+2D+D=3400

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Solution for -500+2D+D=3400 equation:


Simplifying
-500 + 2D + D = 3400

Combine like terms: 2D + D = 3D
-500 + 3D = 3400

Solving
-500 + 3D = 3400

Solving for variable 'D'.

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

Add '500' to each side of the equation.
-500 + 500 + 3D = 3400 + 500

Combine like terms: -500 + 500 = 0
0 + 3D = 3400 + 500
3D = 3400 + 500

Combine like terms: 3400 + 500 = 3900
3D = 3900

Divide each side by '3'.
D = 1300

Simplifying
D = 1300

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