7n+40=2n+(8*8)-4

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Solution for 7n+40=2n+(8*8)-4 equation: 


Simplifying
7n + 40 = 2n + (8 * 8) + -4

Reorder the terms:
40 + 7n = 2n + (8 * 8) + -4

Multiply 8 * 8
40 + 7n = 2n + (64) + -4
40 + 7n = 2n + 64 + -4

Reorder the terms:
40 + 7n = 64 + -4 + 2n

Combine like terms: 64 + -4 = 60
40 + 7n = 60 + 2n

Solving
40 + 7n = 60 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
40 + 7n + -2n = 60 + 2n + -2n

Combine like terms: 7n + -2n = 5n
40 + 5n = 60 + 2n + -2n

Combine like terms: 2n + -2n = 0
40 + 5n = 60 + 0
40 + 5n = 60

Add '-40' to each side of the equation.
40 + -40 + 5n = 60 + -40

Combine like terms: 40 + -40 = 0
0 + 5n = 60 + -40
5n = 60 + -40

Combine like terms: 60 + -40 = 20
5n = 20

Divide each side by '5'.
n = 4

Simplifying
n = 4

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