4(1-7n)+5(n-8)=56

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Solution for 4(1-7n)+5(n-8)=56 equation:


Simplifying
4(1 + -7n) + 5(n + -8) = 56
(1 * 4 + -7n * 4) + 5(n + -8) = 56
(4 + -28n) + 5(n + -8) = 56

Reorder the terms:
4 + -28n + 5(-8 + n) = 56
4 + -28n + (-8 * 5 + n * 5) = 56
4 + -28n + (-40 + 5n) = 56

Reorder the terms:
4 + -40 + -28n + 5n = 56

Combine like terms: 4 + -40 = -36
-36 + -28n + 5n = 56

Combine like terms: -28n + 5n = -23n
-36 + -23n = 56

Solving
-36 + -23n = 56

Solving for variable 'n'.

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

Add '36' to each side of the equation.
-36 + 36 + -23n = 56 + 36

Combine like terms: -36 + 36 = 0
0 + -23n = 56 + 36
-23n = 56 + 36

Combine like terms: 56 + 36 = 92
-23n = 92

Divide each side by '-23'.
n = -4

Simplifying
n = -4

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