10d+30=20+8d

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Solution for 10d+30=20+8d equation:


Simplifying
10d + 30 = 20 + 8d

Reorder the terms:
30 + 10d = 20 + 8d

Solving
30 + 10d = 20 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
30 + 10d + -8d = 20 + 8d + -8d

Combine like terms: 10d + -8d = 2d
30 + 2d = 20 + 8d + -8d

Combine like terms: 8d + -8d = 0
30 + 2d = 20 + 0
30 + 2d = 20

Add '-30' to each side of the equation.
30 + -30 + 2d = 20 + -30

Combine like terms: 30 + -30 = 0
0 + 2d = 20 + -30
2d = 20 + -30

Combine like terms: 20 + -30 = -10
2d = -10

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

Simplifying
d = -5

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