7d+77=3d-75

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Solution for 7d+77=3d-75 equation:


Simplifying
7d + 77 = 3d + -75

Reorder the terms:
77 + 7d = 3d + -75

Reorder the terms:
77 + 7d = -75 + 3d

Solving
77 + 7d = -75 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
77 + 7d + -3d = -75 + 3d + -3d

Combine like terms: 7d + -3d = 4d
77 + 4d = -75 + 3d + -3d

Combine like terms: 3d + -3d = 0
77 + 4d = -75 + 0
77 + 4d = -75

Add '-77' to each side of the equation.
77 + -77 + 4d = -75 + -77

Combine like terms: 77 + -77 = 0
0 + 4d = -75 + -77
4d = -75 + -77

Combine like terms: -75 + -77 = -152
4d = -152

Divide each side by '4'.
d = -38

Simplifying
d = -38

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