(-4y-9z)-(6y-5z)=

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Solution for (-4y-9z)-(6y-5z)= equation:


Simplifying
(-4y + -9z) + -1(6y + -5z) = 0

Remove parenthesis around (-4y + -9z)
-4y + -9z + -1(6y + -5z) = 0
-4y + -9z + (6y * -1 + -5z * -1) = 0
-4y + -9z + (-6y + 5z) = 0

Reorder the terms:
-4y + -6y + -9z + 5z = 0

Combine like terms: -4y + -6y = -10y
-10y + -9z + 5z = 0

Combine like terms: -9z + 5z = -4z
-10y + -4z = 0

Solving
-10y + -4z = 0

Solving for variable 'y'.

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

Add '4z' to each side of the equation.
-10y + -4z + 4z = 0 + 4z

Combine like terms: -4z + 4z = 0
-10y + 0 = 0 + 4z
-10y = 0 + 4z
Remove the zero:
-10y = 4z

Divide each side by '-10'.
y = -0.4z

Simplifying
y = -0.4z

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