7n-7n=-5(n-3)+4(5+3n)

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Solution for 7n-7n=-5(n-3)+4(5+3n) equation:


Simplifying
7n + -7n = -5(n + -3) + 4(5 + 3n)

Combine like terms: 7n + -7n = 0
0 = -5(n + -3) + 4(5 + 3n)

Reorder the terms:
0 = -5(-3 + n) + 4(5 + 3n)
0 = (-3 * -5 + n * -5) + 4(5 + 3n)
0 = (15 + -5n) + 4(5 + 3n)
0 = 15 + -5n + (5 * 4 + 3n * 4)
0 = 15 + -5n + (20 + 12n)

Reorder the terms:
0 = 15 + 20 + -5n + 12n

Combine like terms: 15 + 20 = 35
0 = 35 + -5n + 12n

Combine like terms: -5n + 12n = 7n
0 = 35 + 7n

Solving
0 = 35 + 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.
0 + -7n = 35 + 7n + -7n
Remove the zero:
-7n = 35 + 7n + -7n

Combine like terms: 7n + -7n = 0
-7n = 35 + 0
-7n = 35

Divide each side by '-7'.
n = -5

Simplifying
n = -5

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