-3(8d+7)=-15

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Solution for -3(8d+7)=-15 equation:


Simplifying
-3(8d + 7) = -15

Reorder the terms:
-3(7 + 8d) = -15
(7 * -3 + 8d * -3) = -15
(-21 + -24d) = -15

Solving
-21 + -24d = -15

Solving for variable 'd'.

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

Add '21' to each side of the equation.
-21 + 21 + -24d = -15 + 21

Combine like terms: -21 + 21 = 0
0 + -24d = -15 + 21
-24d = -15 + 21

Combine like terms: -15 + 21 = 6
-24d = 6

Divide each side by '-24'.
d = -0.25

Simplifying
d = -0.25

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