7d+9=5d+11

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Solution for 7d+9=5d+11 equation:


Simplifying
7d + 9 = 5d + 11

Reorder the terms:
9 + 7d = 5d + 11

Reorder the terms:
9 + 7d = 11 + 5d

Solving
9 + 7d = 11 + 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.
9 + 7d + -5d = 11 + 5d + -5d

Combine like terms: 7d + -5d = 2d
9 + 2d = 11 + 5d + -5d

Combine like terms: 5d + -5d = 0
9 + 2d = 11 + 0
9 + 2d = 11

Add '-9' to each side of the equation.
9 + -9 + 2d = 11 + -9

Combine like terms: 9 + -9 = 0
0 + 2d = 11 + -9
2d = 11 + -9

Combine like terms: 11 + -9 = 2
2d = 2

Divide each side by '2'.
d = 1

Simplifying
d = 1

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