45-90d-87-9d+3+7d=

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Solution for 45-90d-87-9d+3+7d= equation:


Simplifying
45 + -90d + -87 + -9d + 3 + 7d = 0

Reorder the terms:
45 + -87 + 3 + -90d + -9d + 7d = 0

Combine like terms: 45 + -87 = -42
-42 + 3 + -90d + -9d + 7d = 0

Combine like terms: -42 + 3 = -39
-39 + -90d + -9d + 7d = 0

Combine like terms: -90d + -9d = -99d
-39 + -99d + 7d = 0

Combine like terms: -99d + 7d = -92d
-39 + -92d = 0

Solving
-39 + -92d = 0

Solving for variable 'd'.

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

Add '39' to each side of the equation.
-39 + 39 + -92d = 0 + 39

Combine like terms: -39 + 39 = 0
0 + -92d = 0 + 39
-92d = 0 + 39

Combine like terms: 0 + 39 = 39
-92d = 39

Divide each side by '-92'.
d = -0.4239130435

Simplifying
d = -0.4239130435

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