4(2.2d-1)-0.8=23

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Solution for 4(2.2d-1)-0.8=23 equation: 


Simplifying
4(2.2d + -1) + -0.8 = 23

Reorder the terms:
4(-1 + 2.2d) + -0.8 = 23
(-1 * 4 + 2.2d * 4) + -0.8 = 23
(-4 + 8.8d) + -0.8 = 23

Reorder the terms:
-4 + -0.8 + 8.8d = 23

Combine like terms: -4 + -0.8 = -4.8
-4.8 + 8.8d = 23

Solving
-4.8 + 8.8d = 23

Solving for variable 'd'.

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

Add '4.8' to each side of the equation.
-4.8 + 4.8 + 8.8d = 23 + 4.8

Combine like terms: -4.8 + 4.8 = 0.0
0.0 + 8.8d = 23 + 4.8
8.8d = 23 + 4.8

Combine like terms: 23 + 4.8 = 27.8
8.8d = 27.8

Divide each side by '8.8'.
d = 3.159090909

Simplifying
d = 3.159090909

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