-7=5-d

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Solution for -7=5-d equation:


Simplifying
-7 = 5 + -1d

Solving
-7 = 5 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
-7 + d = 5 + -1d + d

Combine like terms: -1d + d = 0
-7 + d = 5 + 0
-7 + d = 5

Add '7' to each side of the equation.
-7 + 7 + d = 5 + 7

Combine like terms: -7 + 7 = 0
0 + d = 5 + 7
d = 5 + 7

Combine like terms: 5 + 7 = 12
d = 12

Simplifying
d = 12

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