2d-7=5(d-1)+9

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Solution for 2d-7=5(d-1)+9 equation:


Simplifying
2d + -7 = 5(d + -1) + 9

Reorder the terms:
-7 + 2d = 5(d + -1) + 9

Reorder the terms:
-7 + 2d = 5(-1 + d) + 9
-7 + 2d = (-1 * 5 + d * 5) + 9
-7 + 2d = (-5 + 5d) + 9

Reorder the terms:
-7 + 2d = -5 + 9 + 5d

Combine like terms: -5 + 9 = 4
-7 + 2d = 4 + 5d

Solving
-7 + 2d = 4 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
-7 + 2d + -5d = 4 + 5d + -5d

Combine like terms: 2d + -5d = -3d
-7 + -3d = 4 + 5d + -5d

Combine like terms: 5d + -5d = 0
-7 + -3d = 4 + 0
-7 + -3d = 4

Add '7' to each side of the equation.
-7 + 7 + -3d = 4 + 7

Combine like terms: -7 + 7 = 0
0 + -3d = 4 + 7
-3d = 4 + 7

Combine like terms: 4 + 7 = 11
-3d = 11

Divide each side by '-3'.
d = -3.666666667

Simplifying
d = -3.666666667

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