7(n-3)+4(n+5)=1.25

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Solution for 7(n-3)+4(n+5)=1.25 equation:


Simplifying
7(n + -3) + 4(n + 5) = 1.25

Reorder the terms:
7(-3 + n) + 4(n + 5) = 1.25
(-3 * 7 + n * 7) + 4(n + 5) = 1.25
(-21 + 7n) + 4(n + 5) = 1.25

Reorder the terms:
-21 + 7n + 4(5 + n) = 1.25
-21 + 7n + (5 * 4 + n * 4) = 1.25
-21 + 7n + (20 + 4n) = 1.25

Reorder the terms:
-21 + 20 + 7n + 4n = 1.25

Combine like terms: -21 + 20 = -1
-1 + 7n + 4n = 1.25

Combine like terms: 7n + 4n = 11n
-1 + 11n = 1.25

Solving
-1 + 11n = 1.25

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 11n = 1.25 + 1

Combine like terms: -1 + 1 = 0
0 + 11n = 1.25 + 1
11n = 1.25 + 1

Combine like terms: 1.25 + 1 = 2.25
11n = 2.25

Divide each side by '11'.
n = 0.2045454545

Simplifying
n = 0.2045454545

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