-4+7=D

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Solution for -4+7=D equation:


Simplifying
-4 + 7 = D

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

Solving
3 = D

Solving for variable 'D'.

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

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

Combine like terms: D + -1D = 0
3 + -1D = 0

Add '-3' to each side of the equation.
3 + -3 + -1D = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1D = 0 + -3
-1D = 0 + -3

Combine like terms: 0 + -3 = -3
-1D = -3

Divide each side by '-1'.
D = 3

Simplifying
D = 3

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