210=7(-7v-5)

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Solution for 210=7(-7v-5) equation: 


Simplifying
210 = 7(-7v + -5)

Reorder the terms:
210 = 7(-5 + -7v)
210 = (-5 * 7 + -7v * 7)
210 = (-35 + -49v)

Solving
210 = -35 + -49v

Solving for variable 'v'.

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

Add '49v' to each side of the equation.
210 + 49v = -35 + -49v + 49v

Combine like terms: -49v + 49v = 0
210 + 49v = -35 + 0
210 + 49v = -35

Add '-210' to each side of the equation.
210 + -210 + 49v = -35 + -210

Combine like terms: 210 + -210 = 0
0 + 49v = -35 + -210
49v = -35 + -210

Combine like terms: -35 + -210 = -245
49v = -245

Divide each side by '49'.
v = -5

Simplifying
v = -5

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