-2(7n+9)=8(10n+10)+4n

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Solution for -2(7n+9)=8(10n+10)+4n equation:


Simplifying
-2(7n + 9) = 8(10n + 10) + 4n

Reorder the terms:
-2(9 + 7n) = 8(10n + 10) + 4n
(9 * -2 + 7n * -2) = 8(10n + 10) + 4n
(-18 + -14n) = 8(10n + 10) + 4n

Reorder the terms:
-18 + -14n = 8(10 + 10n) + 4n
-18 + -14n = (10 * 8 + 10n * 8) + 4n
-18 + -14n = (80 + 80n) + 4n

Combine like terms: 80n + 4n = 84n
-18 + -14n = 80 + 84n

Solving
-18 + -14n = 80 + 84n

Solving for variable 'n'.

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

Add '-84n' to each side of the equation.
-18 + -14n + -84n = 80 + 84n + -84n

Combine like terms: -14n + -84n = -98n
-18 + -98n = 80 + 84n + -84n

Combine like terms: 84n + -84n = 0
-18 + -98n = 80 + 0
-18 + -98n = 80

Add '18' to each side of the equation.
-18 + 18 + -98n = 80 + 18

Combine like terms: -18 + 18 = 0
0 + -98n = 80 + 18
-98n = 80 + 18

Combine like terms: 80 + 18 = 98
-98n = 98

Divide each side by '-98'.
n = -1

Simplifying
n = -1

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