31=5v+6(v+7)

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Solution for 31=5v+6(v+7) equation:


Simplifying
31 = 5v + 6(v + 7)

Reorder the terms:
31 = 5v + 6(7 + v)
31 = 5v + (7 * 6 + v * 6)
31 = 5v + (42 + 6v)

Reorder the terms:
31 = 42 + 5v + 6v

Combine like terms: 5v + 6v = 11v
31 = 42 + 11v

Solving
31 = 42 + 11v

Solving for variable 'v'.

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

Add '-11v' to each side of the equation.
31 + -11v = 42 + 11v + -11v

Combine like terms: 11v + -11v = 0
31 + -11v = 42 + 0
31 + -11v = 42

Add '-31' to each side of the equation.
31 + -31 + -11v = 42 + -31

Combine like terms: 31 + -31 = 0
0 + -11v = 42 + -31
-11v = 42 + -31

Combine like terms: 42 + -31 = 11
-11v = 11

Divide each side by '-11'.
v = -1

Simplifying
v = -1

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