7n-19=-8(n-7)

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Solution for 7n-19=-8(n-7) equation:


Simplifying
7n + -19 = -8(n + -7)

Reorder the terms:
-19 + 7n = -8(n + -7)

Reorder the terms:
-19 + 7n = -8(-7 + n)
-19 + 7n = (-7 * -8 + n * -8)
-19 + 7n = (56 + -8n)

Solving
-19 + 7n = 56 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
-19 + 7n + 8n = 56 + -8n + 8n

Combine like terms: 7n + 8n = 15n
-19 + 15n = 56 + -8n + 8n

Combine like terms: -8n + 8n = 0
-19 + 15n = 56 + 0
-19 + 15n = 56

Add '19' to each side of the equation.
-19 + 19 + 15n = 56 + 19

Combine like terms: -19 + 19 = 0
0 + 15n = 56 + 19
15n = 56 + 19

Combine like terms: 56 + 19 = 75
15n = 75

Divide each side by '15'.
n = 5

Simplifying
n = 5

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