210=-5(7-7n)

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


Simplifying
210 = -5(7 + -7n)
210 = (7 * -5 + -7n * -5)
210 = (-35 + 35n)

Solving
210 = -35 + 35n

Solving for variable 'n'.

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

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

Combine like terms: 35n + -35n = 0
210 + -35n = -35 + 0
210 + -35n = -35

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

Combine like terms: 210 + -210 = 0
0 + -35n = -35 + -210
-35n = -35 + -210

Combine like terms: -35 + -210 = -245
-35n = -245

Divide each side by '-35'.
n = 7

Simplifying
n = 7

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