7(1+5n)-8(6n+4)=-64

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Solution for 7(1+5n)-8(6n+4)=-64 equation:


Simplifying
7(1 + 5n) + -8(6n + 4) = -64
(1 * 7 + 5n * 7) + -8(6n + 4) = -64
(7 + 35n) + -8(6n + 4) = -64

Reorder the terms:
7 + 35n + -8(4 + 6n) = -64
7 + 35n + (4 * -8 + 6n * -8) = -64
7 + 35n + (-32 + -48n) = -64

Reorder the terms:
7 + -32 + 35n + -48n = -64

Combine like terms: 7 + -32 = -25
-25 + 35n + -48n = -64

Combine like terms: 35n + -48n = -13n
-25 + -13n = -64

Solving
-25 + -13n = -64

Solving for variable 'n'.

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

Add '25' to each side of the equation.
-25 + 25 + -13n = -64 + 25

Combine like terms: -25 + 25 = 0
0 + -13n = -64 + 25
-13n = -64 + 25

Combine like terms: -64 + 25 = -39
-13n = -39

Divide each side by '-13'.
n = 3

Simplifying
n = 3

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