30+5d=-5d-40

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Solution for 30+5d=-5d-40 equation:


Simplifying
30 + 5d = -5d + -40

Reorder the terms:
30 + 5d = -40 + -5d

Solving
30 + 5d = -40 + -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.
30 + 5d + 5d = -40 + -5d + 5d

Combine like terms: 5d + 5d = 10d
30 + 10d = -40 + -5d + 5d

Combine like terms: -5d + 5d = 0
30 + 10d = -40 + 0
30 + 10d = -40

Add '-30' to each side of the equation.
30 + -30 + 10d = -40 + -30

Combine like terms: 30 + -30 = 0
0 + 10d = -40 + -30
10d = -40 + -30

Combine like terms: -40 + -30 = -70
10d = -70

Divide each side by '10'.
d = -7

Simplifying
d = -7

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