9d+7=11d+2

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Solution for 9d+7=11d+2 equation:


Simplifying
9d + 7 = 11d + 2

Reorder the terms:
7 + 9d = 11d + 2

Reorder the terms:
7 + 9d = 2 + 11d

Solving
7 + 9d = 2 + 11d

Solving for variable 'd'.

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

Add '-11d' to each side of the equation.
7 + 9d + -11d = 2 + 11d + -11d

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

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

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

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

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

Divide each side by '-2'.
d = 2.5

Simplifying
d = 2.5

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