1+3=7n-7

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Solution for 1+3=7n-7 equation:


Simplifying
1 + 3 = 7n + -7

Combine like terms: 1 + 3 = 4
4 = 7n + -7

Reorder the terms:
4 = -7 + 7n

Solving
4 = -7 + 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.
4 + -7n = -7 + 7n + -7n

Combine like terms: 7n + -7n = 0
4 + -7n = -7 + 0
4 + -7n = -7

Add '-4' to each side of the equation.
4 + -4 + -7n = -7 + -4

Combine like terms: 4 + -4 = 0
0 + -7n = -7 + -4
-7n = -7 + -4

Combine like terms: -7 + -4 = -11
-7n = -11

Divide each side by '-7'.
n = 1.571428571

Simplifying
n = 1.571428571

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