-9=6(d+3)-2d+1

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Solution for -9=6(d+3)-2d+1 equation:


Simplifying
-9 = 6(d + 3) + -2d + 1

Reorder the terms:
-9 = 6(3 + d) + -2d + 1
-9 = (3 * 6 + d * 6) + -2d + 1
-9 = (18 + 6d) + -2d + 1

Reorder the terms:
-9 = 18 + 1 + 6d + -2d

Combine like terms: 18 + 1 = 19
-9 = 19 + 6d + -2d

Combine like terms: 6d + -2d = 4d
-9 = 19 + 4d

Solving
-9 = 19 + 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
-9 + -4d = 19 + 4d + -4d

Combine like terms: 4d + -4d = 0
-9 + -4d = 19 + 0
-9 + -4d = 19

Add '9' to each side of the equation.
-9 + 9 + -4d = 19 + 9

Combine like terms: -9 + 9 = 0
0 + -4d = 19 + 9
-4d = 19 + 9

Combine like terms: 19 + 9 = 28
-4d = 28

Divide each side by '-4'.
d = -7

Simplifying
d = -7

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