2d+5=20-30

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Solution for 2d+5=20-30 equation:


Simplifying
2d + 5 = 20 + -30

Reorder the terms:
5 + 2d = 20 + -30

Combine like terms: 20 + -30 = -10
5 + 2d = -10

Solving
5 + 2d = -10

Solving for variable 'd'.

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

Add '-5' to each side of the equation.
5 + -5 + 2d = -10 + -5

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

Combine like terms: -10 + -5 = -15
2d = -15

Divide each side by '2'.
d = -7.5

Simplifying
d = -7.5

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