231=7v+25(15-v)

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Solution for 231=7v+25(15-v) equation:


Simplifying
231 = 7v + 25(15 + -1v)
231 = 7v + (15 * 25 + -1v * 25)
231 = 7v + (375 + -25v)

Reorder the terms:
231 = 375 + 7v + -25v

Combine like terms: 7v + -25v = -18v
231 = 375 + -18v

Solving
231 = 375 + -18v

Solving for variable 'v'.

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

Add '18v' to each side of the equation.
231 + 18v = 375 + -18v + 18v

Combine like terms: -18v + 18v = 0
231 + 18v = 375 + 0
231 + 18v = 375

Add '-231' to each side of the equation.
231 + -231 + 18v = 375 + -231

Combine like terms: 231 + -231 = 0
0 + 18v = 375 + -231
18v = 375 + -231

Combine like terms: 375 + -231 = 144
18v = 144

Divide each side by '18'.
v = 8

Simplifying
v = 8

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