2n-7n=5(-3n+8)-8(-n+2)

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Solution for 2n-7n=5(-3n+8)-8(-n+2) equation:


Simplifying
2n + -7n = 5(-3n + 8) + -8(-1n + 2)

Combine like terms: 2n + -7n = -5n
-5n = 5(-3n + 8) + -8(-1n + 2)

Reorder the terms:
-5n = 5(8 + -3n) + -8(-1n + 2)
-5n = (8 * 5 + -3n * 5) + -8(-1n + 2)
-5n = (40 + -15n) + -8(-1n + 2)

Reorder the terms:
-5n = 40 + -15n + -8(2 + -1n)
-5n = 40 + -15n + (2 * -8 + -1n * -8)
-5n = 40 + -15n + (-16 + 8n)

Reorder the terms:
-5n = 40 + -16 + -15n + 8n

Combine like terms: 40 + -16 = 24
-5n = 24 + -15n + 8n

Combine like terms: -15n + 8n = -7n
-5n = 24 + -7n

Solving
-5n = 24 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
-5n + 7n = 24 + -7n + 7n

Combine like terms: -5n + 7n = 2n
2n = 24 + -7n + 7n

Combine like terms: -7n + 7n = 0
2n = 24 + 0
2n = 24

Divide each side by '2'.
n = 12

Simplifying
n = 12

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