3(-7n-20)=-8(-n+8)+15n

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Solution for 3(-7n-20)=-8(-n+8)+15n equation:


Simplifying
3(-7n + -20) = -8(-1n + 8) + 15n

Reorder the terms:
3(-20 + -7n) = -8(-1n + 8) + 15n
(-20 * 3 + -7n * 3) = -8(-1n + 8) + 15n
(-60 + -21n) = -8(-1n + 8) + 15n

Reorder the terms:
-60 + -21n = -8(8 + -1n) + 15n
-60 + -21n = (8 * -8 + -1n * -8) + 15n
-60 + -21n = (-64 + 8n) + 15n

Combine like terms: 8n + 15n = 23n
-60 + -21n = -64 + 23n

Solving
-60 + -21n = -64 + 23n

Solving for variable 'n'.

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

Add '-23n' to each side of the equation.
-60 + -21n + -23n = -64 + 23n + -23n

Combine like terms: -21n + -23n = -44n
-60 + -44n = -64 + 23n + -23n

Combine like terms: 23n + -23n = 0
-60 + -44n = -64 + 0
-60 + -44n = -64

Add '60' to each side of the equation.
-60 + 60 + -44n = -64 + 60

Combine like terms: -60 + 60 = 0
0 + -44n = -64 + 60
-44n = -64 + 60

Combine like terms: -64 + 60 = -4
-44n = -4

Divide each side by '-44'.
n = 0.09090909091

Simplifying
n = 0.09090909091

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