D(1)=7-2(1)

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Solution for D(1)=7-2(1) equation: 


Simplifying
D(1) = 7 + -2(1)

Reorder the terms for easier multiplication:
1D = 7 + -2(1)

Multiply -2 * 1
1D = 7 + -2

Combine like terms: 7 + -2 = 5
1D = 5

Solving
1D = 5

Solving for variable 'D'.

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

Divide each side by '1'.
D = 5

Simplifying
D = 5

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