3(v+7)-1=40+8v

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Solution for 3(v+7)-1=40+8v equation:


Simplifying
3(v + 7) + -1 = 40 + 8v

Reorder the terms:
3(7 + v) + -1 = 40 + 8v
(7 * 3 + v * 3) + -1 = 40 + 8v
(21 + 3v) + -1 = 40 + 8v

Reorder the terms:
21 + -1 + 3v = 40 + 8v

Combine like terms: 21 + -1 = 20
20 + 3v = 40 + 8v

Solving
20 + 3v = 40 + 8v

Solving for variable 'v'.

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

Add '-8v' to each side of the equation.
20 + 3v + -8v = 40 + 8v + -8v

Combine like terms: 3v + -8v = -5v
20 + -5v = 40 + 8v + -8v

Combine like terms: 8v + -8v = 0
20 + -5v = 40 + 0
20 + -5v = 40

Add '-20' to each side of the equation.
20 + -20 + -5v = 40 + -20

Combine like terms: 20 + -20 = 0
0 + -5v = 40 + -20
-5v = 40 + -20

Combine like terms: 40 + -20 = 20
-5v = 20

Divide each side by '-5'.
v = -4

Simplifying
v = -4

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