4(2.2-1)-0.8d=23

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


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

Combine like terms: 2.2 + -1 = 1.2
4(1.2) + -0.8d = 23

Multiply 4 * 1.2
4.8 + -0.8d = 23

Solving
4.8 + -0.8d = 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 + -0.8d = 23 + -4.8

Combine like terms: 4.8 + -4.8 = 0.0
0.0 + -0.8d = 23 + -4.8
-0.8d = 23 + -4.8

Combine like terms: 23 + -4.8 = 18.2
-0.8d = 18.2

Divide each side by '-0.8'.
d = -22.75

Simplifying
d = -22.75

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