7n+40=7n+8(1+4n)

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Solution for 7n+40=7n+8(1+4n) equation:


Simplifying
7n + 40 = 7n + 8(1 + 4n)

Reorder the terms:
40 + 7n = 7n + 8(1 + 4n)
40 + 7n = 7n + (1 * 8 + 4n * 8)
40 + 7n = 7n + (8 + 32n)

Reorder the terms:
40 + 7n = 8 + 7n + 32n

Combine like terms: 7n + 32n = 39n
40 + 7n = 8 + 39n

Solving
40 + 7n = 8 + 39n

Solving for variable 'n'.

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

Add '-39n' to each side of the equation.
40 + 7n + -39n = 8 + 39n + -39n

Combine like terms: 7n + -39n = -32n
40 + -32n = 8 + 39n + -39n

Combine like terms: 39n + -39n = 0
40 + -32n = 8 + 0
40 + -32n = 8

Add '-40' to each side of the equation.
40 + -40 + -32n = 8 + -40

Combine like terms: 40 + -40 = 0
0 + -32n = 8 + -40
-32n = 8 + -40

Combine like terms: 8 + -40 = -32
-32n = -32

Divide each side by '-32'.
n = 1

Simplifying
n = 1

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