-3d+25+d+21=2

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Solution for -3d+25+d+21=2 equation:


Simplifying
-3d + 25 + d + 21 = 2

Reorder the terms:
25 + 21 + -3d + d = 2

Combine like terms: 25 + 21 = 46
46 + -3d + d = 2

Combine like terms: -3d + d = -2d
46 + -2d = 2

Solving
46 + -2d = 2

Solving for variable 'd'.

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

Add '-46' to each side of the equation.
46 + -46 + -2d = 2 + -46

Combine like terms: 46 + -46 = 0
0 + -2d = 2 + -46
-2d = 2 + -46

Combine like terms: 2 + -46 = -44
-2d = -44

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

Simplifying
d = 22

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