42=-2d+8

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Solution for 42=-2d+8 equation:


Simplifying
42 = -2d + 8

Reorder the terms:
42 = 8 + -2d

Solving
42 = 8 + -2d

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
42 + 2d = 8 + -2d + 2d

Combine like terms: -2d + 2d = 0
42 + 2d = 8 + 0
42 + 2d = 8

Add '-42' to each side of the equation.
42 + -42 + 2d = 8 + -42

Combine like terms: 42 + -42 = 0
0 + 2d = 8 + -42
2d = 8 + -42

Combine like terms: 8 + -42 = -34
2d = -34

Divide each side by '2'.
d = -17

Simplifying
d = -17

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