3(8+7n)-8(7n-1)=67

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Solution for 3(8+7n)-8(7n-1)=67 equation:


Simplifying
3(8 + 7n) + -8(7n + -1) = 67
(8 * 3 + 7n * 3) + -8(7n + -1) = 67
(24 + 21n) + -8(7n + -1) = 67

Reorder the terms:
24 + 21n + -8(-1 + 7n) = 67
24 + 21n + (-1 * -8 + 7n * -8) = 67
24 + 21n + (8 + -56n) = 67

Reorder the terms:
24 + 8 + 21n + -56n = 67

Combine like terms: 24 + 8 = 32
32 + 21n + -56n = 67

Combine like terms: 21n + -56n = -35n
32 + -35n = 67

Solving
32 + -35n = 67

Solving for variable 'n'.

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

Add '-32' to each side of the equation.
32 + -32 + -35n = 67 + -32

Combine like terms: 32 + -32 = 0
0 + -35n = 67 + -32
-35n = 67 + -32

Combine like terms: 67 + -32 = 35
-35n = 35

Divide each side by '-35'.
n = -1

Simplifying
n = -1

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