4d-2.50=21.50

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Solution for 4d-2.50=21.50 equation: 


Simplifying
4d + -2.50 = 21.50

Reorder the terms:
-2.50 + 4d = 21.50

Solving
-2.50 + 4d = 21.50

Solving for variable 'd'.

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

Add '2.50' to each side of the equation.
-2.50 + 2.50 + 4d = 21.50 + 2.50

Combine like terms: -2.50 + 2.50 = 0.00
0.00 + 4d = 21.50 + 2.50
4d = 21.50 + 2.50

Combine like terms: 21.50 + 2.50 = 24
4d = 24

Divide each side by '4'.
d = 6

Simplifying
d = 6

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