-9+1+7d=6+9d

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Solution for -9+1+7d=6+9d equation:


Simplifying
-9 + 1 + 7d = 6 + 9d

Combine like terms: -9 + 1 = -8
-8 + 7d = 6 + 9d

Solving
-8 + 7d = 6 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
-8 + 7d + -9d = 6 + 9d + -9d

Combine like terms: 7d + -9d = -2d
-8 + -2d = 6 + 9d + -9d

Combine like terms: 9d + -9d = 0
-8 + -2d = 6 + 0
-8 + -2d = 6

Add '8' to each side of the equation.
-8 + 8 + -2d = 6 + 8

Combine like terms: -8 + 8 = 0
0 + -2d = 6 + 8
-2d = 6 + 8

Combine like terms: 6 + 8 = 14
-2d = 14

Divide each side by '-2'.
d = -7

Simplifying
d = -7

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