49-3d=d+9

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Solution for 49-3d=d+9 equation:


Simplifying
49 + -3d = d + 9

Reorder the terms:
49 + -3d = 9 + d

Solving
49 + -3d = 9 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
49 + -3d + -1d = 9 + d + -1d

Combine like terms: -3d + -1d = -4d
49 + -4d = 9 + d + -1d

Combine like terms: d + -1d = 0
49 + -4d = 9 + 0
49 + -4d = 9

Add '-49' to each side of the equation.
49 + -49 + -4d = 9 + -49

Combine like terms: 49 + -49 = 0
0 + -4d = 9 + -49
-4d = 9 + -49

Combine like terms: 9 + -49 = -40
-4d = -40

Divide each side by '-4'.
d = 10

Simplifying
d = 10

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