8d+9=7d+10

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Solution for 8d+9=7d+10 equation:


Simplifying
8d + 9 = 7d + 10

Reorder the terms:
9 + 8d = 7d + 10

Reorder the terms:
9 + 8d = 10 + 7d

Solving
9 + 8d = 10 + 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.
9 + 8d + -7d = 10 + 7d + -7d

Combine like terms: 8d + -7d = 1d
9 + 1d = 10 + 7d + -7d

Combine like terms: 7d + -7d = 0
9 + 1d = 10 + 0
9 + 1d = 10

Add '-9' to each side of the equation.
9 + -9 + 1d = 10 + -9

Combine like terms: 9 + -9 = 0
0 + 1d = 10 + -9
1d = 10 + -9

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

Divide each side by '1'.
d = 1

Simplifying
d = 1

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