280=8(-8v)+8(-5)

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Solution for 280=8(-8v)+8(-5) equation: 


Simplifying
280 = 8(-8v) + 8(-5)

Remove parenthesis around (-8v)
280 = 8 * -8v + 8(-5)

Multiply 8 * -8
280 = -64v + 8(-5)

Multiply 8 * -5
280 = -64v + -40

Reorder the terms:
280 = -40 + -64v

Solving
280 = -40 + -64v

Solving for variable 'v'.

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

Add '64v' to each side of the equation.
280 + 64v = -40 + -64v + 64v

Combine like terms: -64v + 64v = 0
280 + 64v = -40 + 0
280 + 64v = -40

Add '-280' to each side of the equation.
280 + -280 + 64v = -40 + -280

Combine like terms: 280 + -280 = 0
0 + 64v = -40 + -280
64v = -40 + -280

Combine like terms: -40 + -280 = -320
64v = -320

Divide each side by '64'.
v = -5

Simplifying
v = -5

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