28=d-42

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Solution for 28=d-42 equation:


Simplifying
28 = d + -42

Reorder the terms:
28 = -42 + d

Solving
28 = -42 + 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.
28 + -1d = -42 + d + -1d

Combine like terms: d + -1d = 0
28 + -1d = -42 + 0
28 + -1d = -42

Add '-28' to each side of the equation.
28 + -28 + -1d = -42 + -28

Combine like terms: 28 + -28 = 0
0 + -1d = -42 + -28
-1d = -42 + -28

Combine like terms: -42 + -28 = -70
-1d = -70

Divide each side by '-1'.
d = 70

Simplifying
d = 70

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