(3v-7d)-(7v+2d)=

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Solution for (3v-7d)-(7v+2d)= equation:


Simplifying
(3v + -7d) + -1(7v + 2d) = 0

Reorder the terms:
(-7d + 3v) + -1(7v + 2d) = 0

Remove parenthesis around (-7d + 3v)
-7d + 3v + -1(7v + 2d) = 0

Reorder the terms:
-7d + 3v + -1(2d + 7v) = 0
-7d + 3v + (2d * -1 + 7v * -1) = 0
-7d + 3v + (-2d + -7v) = 0

Reorder the terms:
-7d + -2d + 3v + -7v = 0

Combine like terms: -7d + -2d = -9d
-9d + 3v + -7v = 0

Combine like terms: 3v + -7v = -4v
-9d + -4v = 0

Solving
-9d + -4v = 0

Solving for variable 'd'.

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

Add '4v' to each side of the equation.
-9d + -4v + 4v = 0 + 4v

Combine like terms: -4v + 4v = 0
-9d + 0 = 0 + 4v
-9d = 0 + 4v
Remove the zero:
-9d = 4v

Divide each side by '-9'.
d = -0.4444444444v

Simplifying
d = -0.4444444444v

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