21+5d=14+12d

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Solution for 21+5d=14+12d equation:


Simplifying
21 + 5d = 14 + 12d

Solving
21 + 5d = 14 + 12d

Solving for variable 'd'.

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

Add '-12d' to each side of the equation.
21 + 5d + -12d = 14 + 12d + -12d

Combine like terms: 5d + -12d = -7d
21 + -7d = 14 + 12d + -12d

Combine like terms: 12d + -12d = 0
21 + -7d = 14 + 0
21 + -7d = 14

Add '-21' to each side of the equation.
21 + -21 + -7d = 14 + -21

Combine like terms: 21 + -21 = 0
0 + -7d = 14 + -21
-7d = 14 + -21

Combine like terms: 14 + -21 = -7
-7d = -7

Divide each side by '-7'.
d = 1

Simplifying
d = 1

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