25+30d=d-19+7d

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Solution for 25+30d=d-19+7d equation:


Simplifying
25 + 30d = d + -19 + 7d

Reorder the terms:
25 + 30d = -19 + d + 7d

Combine like terms: d + 7d = 8d
25 + 30d = -19 + 8d

Solving
25 + 30d = -19 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
25 + 30d + -8d = -19 + 8d + -8d

Combine like terms: 30d + -8d = 22d
25 + 22d = -19 + 8d + -8d

Combine like terms: 8d + -8d = 0
25 + 22d = -19 + 0
25 + 22d = -19

Add '-25' to each side of the equation.
25 + -25 + 22d = -19 + -25

Combine like terms: 25 + -25 = 0
0 + 22d = -19 + -25
22d = -19 + -25

Combine like terms: -19 + -25 = -44
22d = -44

Divide each side by '22'.
d = -2

Simplifying
d = -2

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