260=20(v-1)+20v

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Solution for 260=20(v-1)+20v equation:


Simplifying
260 = 20(v + -1) + 20v

Reorder the terms:
260 = 20(-1 + v) + 20v
260 = (-1 * 20 + v * 20) + 20v
260 = (-20 + 20v) + 20v

Combine like terms: 20v + 20v = 40v
260 = -20 + 40v

Solving
260 = -20 + 40v

Solving for variable 'v'.

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

Add '-40v' to each side of the equation.
260 + -40v = -20 + 40v + -40v

Combine like terms: 40v + -40v = 0
260 + -40v = -20 + 0
260 + -40v = -20

Add '-260' to each side of the equation.
260 + -260 + -40v = -20 + -260

Combine like terms: 260 + -260 = 0
0 + -40v = -20 + -260
-40v = -20 + -260

Combine like terms: -20 + -260 = -280
-40v = -280

Divide each side by '-40'.
v = 7

Simplifying
v = 7

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