7+10d=9d

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Solution for 7+10d=9d equation:


Simplifying
7 + 10d = 9d

Solving
7 + 10d = 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.
7 + 10d + -9d = 9d + -9d

Combine like terms: 10d + -9d = 1d
7 + 1d = 9d + -9d

Combine like terms: 9d + -9d = 0
7 + 1d = 0

Add '-7' to each side of the equation.
7 + -7 + 1d = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 1d = 0 + -7
1d = 0 + -7

Combine like terms: 0 + -7 = -7
1d = -7

Divide each side by '1'.
d = -7

Simplifying
d = -7

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