7.9=d+12

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Solution for 7.9=d+12 equation:


Simplifying
7.9 = d + 12

Reorder the terms:
7.9 = 12 + d

Solving
7.9 = 12 + 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.
7.9 + -1d = 12 + d + -1d

Combine like terms: d + -1d = 0
7.9 + -1d = 12 + 0
7.9 + -1d = 12

Add '-7.9' to each side of the equation.
7.9 + -7.9 + -1d = 12 + -7.9

Combine like terms: 7.9 + -7.9 = 0.0
0.0 + -1d = 12 + -7.9
-1d = 12 + -7.9

Combine like terms: 12 + -7.9 = 4.1
-1d = 4.1

Divide each side by '-1'.
d = -4.1

Simplifying
d = -4.1

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