3d-10=5d-20

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Solution for 3d-10=5d-20 equation:


Simplifying
3d + -10 = 5d + -20

Reorder the terms:
-10 + 3d = 5d + -20

Reorder the terms:
-10 + 3d = -20 + 5d

Solving
-10 + 3d = -20 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
-10 + 3d + -5d = -20 + 5d + -5d

Combine like terms: 3d + -5d = -2d
-10 + -2d = -20 + 5d + -5d

Combine like terms: 5d + -5d = 0
-10 + -2d = -20 + 0
-10 + -2d = -20

Add '10' to each side of the equation.
-10 + 10 + -2d = -20 + 10

Combine like terms: -10 + 10 = 0
0 + -2d = -20 + 10
-2d = -20 + 10

Combine like terms: -20 + 10 = -10
-2d = -10

Divide each side by '-2'.
d = 5

Simplifying
d = 5

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