100=V*10+20*5+30*2

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Solution for 100=V*10+20*5+30*2 equation:


Simplifying
100 = V * 10 + 20 * 5 + 30 * 2

Reorder the terms for easier multiplication:
100 = 10V + 20 * 5 + 30 * 2

Multiply 20 * 5
100 = 10V + 100 + 30 * 2

Multiply 30 * 2
100 = 10V + 100 + 60

Reorder the terms:
100 = 100 + 60 + 10V

Combine like terms: 100 + 60 = 160
100 = 160 + 10V

Solving
100 = 160 + 10V

Solving for variable 'V'.

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

Add '-10V' to each side of the equation.
100 + -10V = 160 + 10V + -10V

Combine like terms: 10V + -10V = 0
100 + -10V = 160 + 0
100 + -10V = 160

Add '-100' to each side of the equation.
100 + -100 + -10V = 160 + -100

Combine like terms: 100 + -100 = 0
0 + -10V = 160 + -100
-10V = 160 + -100

Combine like terms: 160 + -100 = 60
-10V = 60

Divide each side by '-10'.
V = -6

Simplifying
V = -6

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