7(d-821)=399

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Solution for 7(d-821)=399 equation:


Simplifying
7(d + -821) = 399

Reorder the terms:
7(-821 + d) = 399
(-821 * 7 + d * 7) = 399
(-5747 + 7d) = 399

Solving
-5747 + 7d = 399

Solving for variable 'd'.

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

Add '5747' to each side of the equation.
-5747 + 5747 + 7d = 399 + 5747

Combine like terms: -5747 + 5747 = 0
0 + 7d = 399 + 5747
7d = 399 + 5747

Combine like terms: 399 + 5747 = 6146
7d = 6146

Divide each side by '7'.
d = 878

Simplifying
d = 878

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