7a+1=4n-9

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Solution for 7a+1=4n-9 equation:


Simplifying
7a + 1 = 4n + -9

Reorder the terms:
1 + 7a = 4n + -9

Reorder the terms:
1 + 7a = -9 + 4n

Solving
1 + 7a = -9 + 4n

Solving for variable 'a'.

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

Add '-1' to each side of the equation.
1 + -1 + 7a = -9 + -1 + 4n

Combine like terms: 1 + -1 = 0
0 + 7a = -9 + -1 + 4n
7a = -9 + -1 + 4n

Combine like terms: -9 + -1 = -10
7a = -10 + 4n

Divide each side by '7'.
a = -1.428571429 + 0.5714285714n

Simplifying
a = -1.428571429 + 0.5714285714n

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