3(-7+4d)=

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Solution for 3(-7+4d)= equation:


Simplifying
3(-7 + 4d) = 0
(-7 * 3 + 4d * 3) = 0
(-21 + 12d) = 0

Solving
-21 + 12d = 0

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 + 12d = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 12d = 0 + 21
12d = 0 + 21

Combine like terms: 0 + 21 = 21
12d = 21

Divide each side by '12'.
d = 1.75

Simplifying
d = 1.75

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