7(5n+4+7n-10+3n)-30=

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Solution for 7(5n+4+7n-10+3n)-30= equation:


Simplifying
7(5n + 4 + 7n + -10 + 3n) + -30 = 0

Reorder the terms:
7(4 + -10 + 5n + 7n + 3n) + -30 = 0

Combine like terms: 4 + -10 = -6
7(-6 + 5n + 7n + 3n) + -30 = 0

Combine like terms: 5n + 7n = 12n
7(-6 + 12n + 3n) + -30 = 0

Combine like terms: 12n + 3n = 15n
7(-6 + 15n) + -30 = 0
(-6 * 7 + 15n * 7) + -30 = 0
(-42 + 105n) + -30 = 0

Reorder the terms:
-42 + -30 + 105n = 0

Combine like terms: -42 + -30 = -72
-72 + 105n = 0

Solving
-72 + 105n = 0

Solving for variable 'n'.

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

Add '72' to each side of the equation.
-72 + 72 + 105n = 0 + 72

Combine like terms: -72 + 72 = 0
0 + 105n = 0 + 72
105n = 0 + 72

Combine like terms: 0 + 72 = 72
105n = 72

Divide each side by '105'.
n = 0.6857142857

Simplifying
n = 0.6857142857

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