-11d+9(-d+3)=d-7

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Solution for -11d+9(-d+3)=d-7 equation:


Simplifying
-11d + 9(-1d + 3) = d + -7

Reorder the terms:
-11d + 9(3 + -1d) = d + -7
-11d + (3 * 9 + -1d * 9) = d + -7
-11d + (27 + -9d) = d + -7

Reorder the terms:
27 + -11d + -9d = d + -7

Combine like terms: -11d + -9d = -20d
27 + -20d = d + -7

Reorder the terms:
27 + -20d = -7 + d

Solving
27 + -20d = -7 + 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.
27 + -20d + -1d = -7 + d + -1d

Combine like terms: -20d + -1d = -21d
27 + -21d = -7 + d + -1d

Combine like terms: d + -1d = 0
27 + -21d = -7 + 0
27 + -21d = -7

Add '-27' to each side of the equation.
27 + -27 + -21d = -7 + -27

Combine like terms: 27 + -27 = 0
0 + -21d = -7 + -27
-21d = -7 + -27

Combine like terms: -7 + -27 = -34
-21d = -34

Divide each side by '-21'.
d = 1.619047619

Simplifying
d = 1.619047619

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