7d-d+3e=12

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Solution for 7d-d+3e=12 equation:


Simplifying
7d + -1d + 3e = 12

Combine like terms: 7d + -1d = 6d
6d + 3e = 12

Solving
6d + 3e = 12

Solving for variable 'd'.

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

Add '-3e' to each side of the equation.
6d + 3e + -3e = 12 + -3e

Combine like terms: 3e + -3e = 0
6d + 0 = 12 + -3e
6d = 12 + -3e

Divide each side by '6'.
d = 2 + -0.5e

Simplifying
d = 2 + -0.5e

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