2d+11+3d=7(d-1)

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Solution for 2d+11+3d=7(d-1) equation:


Simplifying
2d + 11 + 3d = 7(d + -1)

Reorder the terms:
11 + 2d + 3d = 7(d + -1)

Combine like terms: 2d + 3d = 5d
11 + 5d = 7(d + -1)

Reorder the terms:
11 + 5d = 7(-1 + d)
11 + 5d = (-1 * 7 + d * 7)
11 + 5d = (-7 + 7d)

Solving
11 + 5d = -7 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
11 + 5d + -7d = -7 + 7d + -7d

Combine like terms: 5d + -7d = -2d
11 + -2d = -7 + 7d + -7d

Combine like terms: 7d + -7d = 0
11 + -2d = -7 + 0
11 + -2d = -7

Add '-11' to each side of the equation.
11 + -11 + -2d = -7 + -11

Combine like terms: 11 + -11 = 0
0 + -2d = -7 + -11
-2d = -7 + -11

Combine like terms: -7 + -11 = -18
-2d = -18

Divide each side by '-2'.
d = 9

Simplifying
d = 9

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