4d+7=13.20

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Solution for 4d+7=13.20 equation: 


Simplifying
4d + 7 = 13.20

Reorder the terms:
7 + 4d = 13.20

Solving
7 + 4d = 13.20

Solving for variable 'd'.

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

Add '-7' to each side of the equation.
7 + -7 + 4d = 13.20 + -7

Combine like terms: 7 + -7 = 0
0 + 4d = 13.20 + -7
4d = 13.20 + -7

Combine like terms: 13.20 + -7 = 6.2
4d = 6.2

Divide each side by '4'.
d = 1.55

Simplifying
d = 1.55

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