-5d+3=d+21

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Solution for -5d+3=d+21 equation:


Simplifying
-5d + 3 = d + 21

Reorder the terms:
3 + -5d = d + 21

Reorder the terms:
3 + -5d = 21 + d

Solving
3 + -5d = 21 + 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.
3 + -5d + -1d = 21 + d + -1d

Combine like terms: -5d + -1d = -6d
3 + -6d = 21 + d + -1d

Combine like terms: d + -1d = 0
3 + -6d = 21 + 0
3 + -6d = 21

Add '-3' to each side of the equation.
3 + -3 + -6d = 21 + -3

Combine like terms: 3 + -3 = 0
0 + -6d = 21 + -3
-6d = 21 + -3

Combine like terms: 21 + -3 = 18
-6d = 18

Divide each side by '-6'.
d = -3

Simplifying
d = -3

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