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

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


Simplifying
5(n + -3) + -7n + a = 0

Reorder the terms:
5(-3 + n) + -7n + a = 0
(-3 * 5 + n * 5) + -7n + a = 0
(-15 + 5n) + -7n + a = 0

Reorder the terms:
-15 + a + 5n + -7n = 0

Combine like terms: 5n + -7n = -2n
-15 + a + -2n = 0

Solving
-15 + a + -2n = 0

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + a + 15 + -2n = 0 + 15

Reorder the terms:
-15 + 15 + a + -2n = 0 + 15

Combine like terms: -15 + 15 = 0
0 + a + -2n = 0 + 15
a + -2n = 0 + 15

Combine like terms: 0 + 15 = 15
a + -2n = 15

Add '2n' to each side of the equation.
a + -2n + 2n = 15 + 2n

Combine like terms: -2n + 2n = 0
a + 0 = 15 + 2n
a = 15 + 2n

Simplifying
a = 15 + 2n

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