7np-2p-5+(np+p-4)=

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Solution for 7np-2p-5+(np+p-4)= equation: 


Simplifying
7np + -2p + -5 + (np + p + -4) = 0

Reorder the terms:
7np + -2p + -5 + (-4 + np + p) = 0

Remove parenthesis around (-4 + np + p)
7np + -2p + -5 + -4 + np + p = 0

Reorder the terms:
-5 + -4 + 7np + np + -2p + p = 0

Combine like terms: -5 + -4 = -9
-9 + 7np + np + -2p + p = 0

Combine like terms: 7np + np = 8np
-9 + 8np + -2p + p = 0

Combine like terms: -2p + p = -1p
-9 + 8np + -1p = 0

Solving
-9 + 8np + -1p = 0

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 8np + 9 + -1p = 0 + 9

Reorder the terms:
-9 + 9 + 8np + -1p = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 8np + -1p = 0 + 9
8np + -1p = 0 + 9

Combine like terms: 0 + 9 = 9
8np + -1p = 9

Add 'p' to each side of the equation.
8np + -1p + p = 9 + p

Combine like terms: -1p + p = 0
8np + 0 = 9 + p
8np = 9 + p

Divide each side by '8p'.
n = 1.125p-1 + 0.125

Simplifying
n = 1.125p-1 + 0.125

Reorder the terms:
n = 0.125 + 1.125p-1

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