7.9=d-12.7

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Solution for 7.9=d-12.7 equation:


Simplifying
7.9 = d + -12.7

Reorder the terms:
7.9 = -12.7 + d

Solving
7.9 = -12.7 + 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 = -12.7 + d + -1d

Combine like terms: d + -1d = 0
7.9 + -1d = -12.7 + 0
7.9 + -1d = -12.7

Add '-7.9' to each side of the equation.
7.9 + -7.9 + -1d = -12.7 + -7.9

Combine like terms: 7.9 + -7.9 = 0.0
0.0 + -1d = -12.7 + -7.9
-1d = -12.7 + -7.9

Combine like terms: -12.7 + -7.9 = -20.6
-1d = -20.6

Divide each side by '-1'.
d = 20.6

Simplifying
d = 20.6

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