2-7d=-20

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Solution for 2-7d=-20 equation: 


Simplifying
2 + -7d = -20

Solving
2 + -7d = -20

Solving for variable 'd'.

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

Add '-2' to each side of the equation.
2 + -2 + -7d = -20 + -2

Combine like terms: 2 + -2 = 0
0 + -7d = -20 + -2
-7d = -20 + -2

Combine like terms: -20 + -2 = -22
-7d = -22

Divide each side by '-7'.
d = 3.142857143

Simplifying
d = 3.142857143

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