5n-(7n+3)=7-(10n-9)

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Solution for 5n-(7n+3)=7-(10n-9) equation:


Simplifying
5n + -1(7n + 3) = 7 + -1(10n + -9)

Reorder the terms:
5n + -1(3 + 7n) = 7 + -1(10n + -9)
5n + (3 * -1 + 7n * -1) = 7 + -1(10n + -9)
5n + (-3 + -7n) = 7 + -1(10n + -9)

Reorder the terms:
-3 + 5n + -7n = 7 + -1(10n + -9)

Combine like terms: 5n + -7n = -2n
-3 + -2n = 7 + -1(10n + -9)

Reorder the terms:
-3 + -2n = 7 + -1(-9 + 10n)
-3 + -2n = 7 + (-9 * -1 + 10n * -1)
-3 + -2n = 7 + (9 + -10n)

Combine like terms: 7 + 9 = 16
-3 + -2n = 16 + -10n

Solving
-3 + -2n = 16 + -10n

Solving for variable 'n'.

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

Add '10n' to each side of the equation.
-3 + -2n + 10n = 16 + -10n + 10n

Combine like terms: -2n + 10n = 8n
-3 + 8n = 16 + -10n + 10n

Combine like terms: -10n + 10n = 0
-3 + 8n = 16 + 0
-3 + 8n = 16

Add '3' to each side of the equation.
-3 + 3 + 8n = 16 + 3

Combine like terms: -3 + 3 = 0
0 + 8n = 16 + 3
8n = 16 + 3

Combine like terms: 16 + 3 = 19
8n = 19

Divide each side by '8'.
n = 2.375

Simplifying
n = 2.375

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