-15d+18=-20-19d-10

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Solution for -15d+18=-20-19d-10 equation:


Simplifying
-15d + 18 = -20 + -19d + -10

Reorder the terms:
18 + -15d = -20 + -19d + -10

Reorder the terms:
18 + -15d = -20 + -10 + -19d

Combine like terms: -20 + -10 = -30
18 + -15d = -30 + -19d

Solving
18 + -15d = -30 + -19d

Solving for variable 'd'.

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

Add '19d' to each side of the equation.
18 + -15d + 19d = -30 + -19d + 19d

Combine like terms: -15d + 19d = 4d
18 + 4d = -30 + -19d + 19d

Combine like terms: -19d + 19d = 0
18 + 4d = -30 + 0
18 + 4d = -30

Add '-18' to each side of the equation.
18 + -18 + 4d = -30 + -18

Combine like terms: 18 + -18 = 0
0 + 4d = -30 + -18
4d = -30 + -18

Combine like terms: -30 + -18 = -48
4d = -48

Divide each side by '4'.
d = -12

Simplifying
d = -12

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