8*30=-12*d

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Solution for 8*30=-12*d equation:


Simplifying
8 * 30 = -12d

Multiply 8 * 30
240 = -12d

Solving
240 = -12d

Solving for variable 'd'.

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

Add '12d' to each side of the equation.
240 + 12d = -12d + 12d

Combine like terms: -12d + 12d = 0
240 + 12d = 0

Add '-240' to each side of the equation.
240 + -240 + 12d = 0 + -240

Combine like terms: 240 + -240 = 0
0 + 12d = 0 + -240
12d = 0 + -240

Combine like terms: 0 + -240 = -240
12d = -240

Divide each side by '12'.
d = -20

Simplifying
d = -20

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