20+1d=30+.5d

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Solution for 20+1d=30+.5d equation:


Simplifying
20 + 1d = 30 + 0.5d

Solving
20 + 1d = 30 + 0.5d

Solving for variable 'd'.

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

Add '-0.5d' to each side of the equation.
20 + 1d + -0.5d = 30 + 0.5d + -0.5d

Combine like terms: 1d + -0.5d = 0.5d
20 + 0.5d = 30 + 0.5d + -0.5d

Combine like terms: 0.5d + -0.5d = 0.0
20 + 0.5d = 30 + 0.0
20 + 0.5d = 30

Add '-20' to each side of the equation.
20 + -20 + 0.5d = 30 + -20

Combine like terms: 20 + -20 = 0
0 + 0.5d = 30 + -20
0.5d = 30 + -20

Combine like terms: 30 + -20 = 10
0.5d = 10

Divide each side by '0.5'.
d = 20

Simplifying
d = 20

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