2(2.2d-1)-0.8d=23

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Solution for 2(2.2d-1)-0.8d=23 equation: 


Simplifying
2(2.2d + -1) + -0.8d = 23

Reorder the terms:
2(-1 + 2.2d) + -0.8d = 23
(-1 * 2 + 2.2d * 2) + -0.8d = 23
(-2 + 4.4d) + -0.8d = 23

Combine like terms: 4.4d + -0.8d = 3.6d
-2 + 3.6d = 23

Solving
-2 + 3.6d = 23

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 + 3.6d = 23 + 2

Combine like terms: -2 + 2 = 0
0 + 3.6d = 23 + 2
3.6d = 23 + 2

Combine like terms: 23 + 2 = 25
3.6d = 25

Divide each side by '3.6'.
d = 6.944444444

Simplifying
d = 6.944444444

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