6=-2(10n+70)

Solution for 6=-2(10n+70) equation:

Simplifying
6 = -2(10n + 70)

Reorder the terms:
6 = -2(70 + 10n)
6 = (70 * -2 + 10n * -2)
6 = (-140 + -20n)

Solving
6 = -140 + -20n

Solving for variable 'n'.

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

Add '20n' to each side of the equation.
6 + 20n = -140 + -20n + 20n

Combine like terms: -20n + 20n = 0
6 + 20n = -140 + 0
6 + 20n = -140

Add '-6' to each side of the equation.
6 + -6 + 20n = -140 + -6

Combine like terms: 6 + -6 = 0
0 + 20n = -140 + -6
20n = -140 + -6

Combine like terms: -140 + -6 = -146
20n = -146

Divide each side by '20'.
n = -7.3

Simplifying
n = -7.3