66.55=1.75+1.8+d

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Solution for 66.55=1.75+1.8+d equation: 


Simplifying
66.55 = 1.75 + 1.8 + d

Combine like terms: 1.75 + 1.8 = 3.55
66.55 = 3.55 + d

Solving
66.55 = 3.55 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
66.55 + -1d = 3.55 + d + -1d

Combine like terms: d + -1d = 0
66.55 + -1d = 3.55 + 0
66.55 + -1d = 3.55

Add '-66.55' to each side of the equation.
66.55 + -66.55 + -1d = 3.55 + -66.55

Combine like terms: 66.55 + -66.55 = 0.00
0.00 + -1d = 3.55 + -66.55
-1d = 3.55 + -66.55

Combine like terms: 3.55 + -66.55 = -63
-1d = -63

Divide each side by '-1'.
d = 63

Simplifying
d = 63

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