d-(525+-1d)+(500+-1d)=455

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Solution for d-(525+-1d)+(500+-1d)=455 equation:


Simplifying
d + -1(525 + -1d) + (500 + -1d) = 455
d + (525 * -1 + -1d * -1) + (500 + -1d) = 455
d + (-525 + 1d) + (500 + -1d) = 455

Remove parenthesis around (500 + -1d)
d + -525 + 1d + 500 + -1d = 455

Reorder the terms:
-525 + 500 + d + 1d + -1d = 455

Combine like terms: -525 + 500 = -25
-25 + d + 1d + -1d = 455

Combine like terms: d + 1d = 2d
-25 + 2d + -1d = 455

Combine like terms: 2d + -1d = 1d
-25 + 1d = 455

Solving
-25 + 1d = 455

Solving for variable 'd'.

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

Add '25' to each side of the equation.
-25 + 25 + 1d = 455 + 25

Combine like terms: -25 + 25 = 0
0 + 1d = 455 + 25
1d = 455 + 25

Combine like terms: 455 + 25 = 480
1d = 480

Divide each side by '1'.
d = 480

Simplifying
d = 480

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