-7(2d-5.5)=19.5

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Solution for -7(2d-5.5)=19.5 equation: 


Simplifying
-7(2d + -5.5) = 19.5

Reorder the terms:
-7(-5.5 + 2d) = 19.5
(-5.5 * -7 + 2d * -7) = 19.5
(38.5 + -14d) = 19.5

Solving
38.5 + -14d = 19.5

Solving for variable 'd'.

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

Add '-38.5' to each side of the equation.
38.5 + -38.5 + -14d = 19.5 + -38.5

Combine like terms: 38.5 + -38.5 = 0.0
0.0 + -14d = 19.5 + -38.5
-14d = 19.5 + -38.5

Combine like terms: 19.5 + -38.5 = -19
-14d = -19

Divide each side by '-14'.
d = 1.357142857

Simplifying
d = 1.357142857

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