0.4*3d-5=4

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Solution for 0.4*3d-5=4 equation: 


Simplifying
0.4 * 3d + -5 = 4

Multiply 0.4 * 3
1.2d + -5 = 4

Reorder the terms:
-5 + 1.2d = 4

Solving
-5 + 1.2d = 4

Solving for variable 'd'.

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

Add '5' to each side of the equation.
-5 + 5 + 1.2d = 4 + 5

Combine like terms: -5 + 5 = 0
0 + 1.2d = 4 + 5
1.2d = 4 + 5

Combine like terms: 4 + 5 = 9
1.2d = 9

Divide each side by '1.2'.
d = 7.5

Simplifying
d = 7.5

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