8d-9-(d+3)=

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Solution for 8d-9-(d+3)= equation:


Simplifying
8d + -9 + -1(d + 3) = 0

Reorder the terms:
8d + -9 + -1(3 + d) = 0
8d + -9 + (3 * -1 + d * -1) = 0
8d + -9 + (-3 + -1d) = 0

Reorder the terms:
-9 + -3 + 8d + -1d = 0

Combine like terms: -9 + -3 = -12
-12 + 8d + -1d = 0

Combine like terms: 8d + -1d = 7d
-12 + 7d = 0

Solving
-12 + 7d = 0

Solving for variable 'd'.

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

Add '12' to each side of the equation.
-12 + 12 + 7d = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 7d = 0 + 12
7d = 0 + 12

Combine like terms: 0 + 12 = 12
7d = 12

Divide each side by '7'.
d = 1.714285714

Simplifying
d = 1.714285714

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