4(2.2d-1)=22.4

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Solution for 4(2.2d-1)=22.4 equation:


Simplifying
4(2.2d + -1) = 22.4

Reorder the terms:
4(-1 + 2.2d) = 22.4
(-1 * 4 + 2.2d * 4) = 22.4
(-4 + 8.8d) = 22.4

Solving
-4 + 8.8d = 22.4

Solving for variable 'd'.

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

Add '4' to each side of the equation.
-4 + 4 + 8.8d = 22.4 + 4

Combine like terms: -4 + 4 = 0
0 + 8.8d = 22.4 + 4
8.8d = 22.4 + 4

Combine like terms: 22.4 + 4 = 26.4
8.8d = 26.4

Divide each side by '8.8'.
d = 3

Simplifying
d = 3

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