5+(7+v)=20

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Solution for 5+(7+v)=20 equation: 


Simplifying
5 + (7 + v) = 20

Remove parenthesis around (7 + v)
5 + 7 + v = 20

Combine like terms: 5 + 7 = 12
12 + v = 20

Solving
12 + v = 20

Solving for variable 'v'.

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

Add '-12' to each side of the equation.
12 + -12 + v = 20 + -12

Combine like terms: 12 + -12 = 0
0 + v = 20 + -12
v = 20 + -12

Combine like terms: 20 + -12 = 8
v = 8

Simplifying
v = 8

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