10d+5=9d+12

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Solution for 10d+5=9d+12 equation:


Simplifying
10d + 5 = 9d + 12

Reorder the terms:
5 + 10d = 9d + 12

Reorder the terms:
5 + 10d = 12 + 9d

Solving
5 + 10d = 12 + 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.
5 + 10d + -9d = 12 + 9d + -9d

Combine like terms: 10d + -9d = 1d
5 + 1d = 12 + 9d + -9d

Combine like terms: 9d + -9d = 0
5 + 1d = 12 + 0
5 + 1d = 12

Add '-5' to each side of the equation.
5 + -5 + 1d = 12 + -5

Combine like terms: 5 + -5 = 0
0 + 1d = 12 + -5
1d = 12 + -5

Combine like terms: 12 + -5 = 7
1d = 7

Divide each side by '1'.
d = 7

Simplifying
d = 7

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