(15+v)(7)=(15-v)(23)

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Solution for (15+v)(7)=(15-v)(23) equation:


Simplifying
(15 + v)(7) = (15 + -1v)(23)

Reorder the terms for easier multiplication:
7(15 + v) = (15 + -1v)(23)
(15 * 7 + v * 7) = (15 + -1v)(23)
(105 + 7v) = (15 + -1v)(23)

Reorder the terms for easier multiplication:
105 + 7v = 23(15 + -1v)
105 + 7v = (15 * 23 + -1v * 23)
105 + 7v = (345 + -23v)

Solving
105 + 7v = 345 + -23v

Solving for variable 'v'.

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

Add '23v' to each side of the equation.
105 + 7v + 23v = 345 + -23v + 23v

Combine like terms: 7v + 23v = 30v
105 + 30v = 345 + -23v + 23v

Combine like terms: -23v + 23v = 0
105 + 30v = 345 + 0
105 + 30v = 345

Add '-105' to each side of the equation.
105 + -105 + 30v = 345 + -105

Combine like terms: 105 + -105 = 0
0 + 30v = 345 + -105
30v = 345 + -105

Combine like terms: 345 + -105 = 240
30v = 240

Divide each side by '30'.
v = 8

Simplifying
v = 8

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