D(2)=7-2(2)

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Solution for D(2)=7-2(2) equation: 


Simplifying
D(2) = 7 + -2(2)

Reorder the terms for easier multiplication:
2D = 7 + -2(2)

Multiply -2 * 2
2D = 7 + -4

Combine like terms: 7 + -4 = 3
2D = 3

Solving
2D = 3

Solving for variable 'D'.

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

Divide each side by '2'.
D = 1.5

Simplifying
D = 1.5

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