4.2=29.8-2v

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Solution for 4.2=29.8-2v equation:


Simplifying
4.2 = 29.8 + -2v

Solving
4.2 = 29.8 + -2v

Solving for variable 'v'.

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

Add '2v' to each side of the equation.
4.2 + 2v = 29.8 + -2v + 2v

Combine like terms: -2v + 2v = 0
4.2 + 2v = 29.8 + 0
4.2 + 2v = 29.8

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 2v = 29.8 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 2v = 29.8 + -4.2
2v = 29.8 + -4.2

Combine like terms: 29.8 + -4.2 = 25.6
2v = 25.6

Divide each side by '2'.
v = 12.8

Simplifying
v = 12.8

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