3(5n-3)=-(n-7)

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


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

Reorder the terms:
3(-3 + 5n) = -1(n + -7)
(-3 * 3 + 5n * 3) = -1(n + -7)
(-9 + 15n) = -1(n + -7)

Reorder the terms:
-9 + 15n = -1(-7 + n)
-9 + 15n = (-7 * -1 + n * -1)
-9 + 15n = (7 + -1n)

Solving
-9 + 15n = 7 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-9 + 15n + n = 7 + -1n + n

Combine like terms: 15n + n = 16n
-9 + 16n = 7 + -1n + n

Combine like terms: -1n + n = 0
-9 + 16n = 7 + 0
-9 + 16n = 7

Add '9' to each side of the equation.
-9 + 9 + 16n = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 16n = 7 + 9
16n = 7 + 9

Combine like terms: 7 + 9 = 16
16n = 16

Divide each side by '16'.
n = 1

Simplifying
n = 1

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