10d+9=4d+57

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Solution for 10d+9=4d+57 equation:


Simplifying
10d + 9 = 4d + 57

Reorder the terms:
9 + 10d = 4d + 57

Reorder the terms:
9 + 10d = 57 + 4d

Solving
9 + 10d = 57 + 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
9 + 10d + -4d = 57 + 4d + -4d

Combine like terms: 10d + -4d = 6d
9 + 6d = 57 + 4d + -4d

Combine like terms: 4d + -4d = 0
9 + 6d = 57 + 0
9 + 6d = 57

Add '-9' to each side of the equation.
9 + -9 + 6d = 57 + -9

Combine like terms: 9 + -9 = 0
0 + 6d = 57 + -9
6d = 57 + -9

Combine like terms: 57 + -9 = 48
6d = 48

Divide each side by '6'.
d = 8

Simplifying
d = 8

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