(16X+9Y-7Z)+(-8X-5Y)=

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Solution for (16X+9Y-7Z)+(-8X-5Y)= equation: 


Simplifying
(16X + 9Y + -7Z) + (-8X + -5Y) = 0

Remove parenthesis around (16X + 9Y + -7Z)
16X + 9Y + -7Z + (-8X + -5Y) = 0

Remove parenthesis around (-8X + -5Y)
16X + 9Y + -7Z + -8X + -5Y = 0

Reorder the terms:
16X + -8X + 9Y + -5Y + -7Z = 0

Combine like terms: 16X + -8X = 8X
8X + 9Y + -5Y + -7Z = 0

Combine like terms: 9Y + -5Y = 4Y
8X + 4Y + -7Z = 0

Solving
8X + 4Y + -7Z = 0

Solving for variable 'X'.

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

Add '-4Y' to each side of the equation.
8X + 4Y + -4Y + -7Z = 0 + -4Y

Combine like terms: 4Y + -4Y = 0
8X + 0 + -7Z = 0 + -4Y
8X + -7Z = 0 + -4Y
Remove the zero:
8X + -7Z = -4Y

Add '7Z' to each side of the equation.
8X + -7Z + 7Z = -4Y + 7Z

Combine like terms: -7Z + 7Z = 0
8X + 0 = -4Y + 7Z
8X = -4Y + 7Z

Divide each side by '8'.
X = -0.5Y + 0.875Z

Simplifying
X = -0.5Y + 0.875Z

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