100=5(7n+4)-30

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Solution for 100=5(7n+4)-30 equation:


Simplifying
100 = 5(7n + 4) + -30

Reorder the terms:
100 = 5(4 + 7n) + -30
100 = (4 * 5 + 7n * 5) + -30
100 = (20 + 35n) + -30

Reorder the terms:
100 = 20 + -30 + 35n

Combine like terms: 20 + -30 = -10
100 = -10 + 35n

Solving
100 = -10 + 35n

Solving for variable 'n'.

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

Add '-35n' to each side of the equation.
100 + -35n = -10 + 35n + -35n

Combine like terms: 35n + -35n = 0
100 + -35n = -10 + 0
100 + -35n = -10

Add '-100' to each side of the equation.
100 + -100 + -35n = -10 + -100

Combine like terms: 100 + -100 = 0
0 + -35n = -10 + -100
-35n = -10 + -100

Combine like terms: -10 + -100 = -110
-35n = -110

Divide each side by '-35'.
n = 3.142857143

Simplifying
n = 3.142857143

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