(15x-3y)-(5w+8z)=20

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Solution for (15x-3y)-(5w+8z)=20 equation:


Simplifying
(15x + -3y) + -1(5w + 8z) = 20

Remove parenthesis around (15x + -3y)
15x + -3y + -1(5w + 8z) = 20
15x + -3y + (5w * -1 + 8z * -1) = 20
15x + -3y + (-5w + -8z) = 20

Reorder the terms:
-5w + 15x + -3y + -8z = 20

Solving
-5w + 15x + -3y + -8z = 20

Solving for variable 'w'.

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

Add '-15x' to each side of the equation.
-5w + 15x + -3y + -15x + -8z = 20 + -15x

Reorder the terms:
-5w + 15x + -15x + -3y + -8z = 20 + -15x

Combine like terms: 15x + -15x = 0
-5w + 0 + -3y + -8z = 20 + -15x
-5w + -3y + -8z = 20 + -15x

Add '3y' to each side of the equation.
-5w + -3y + 3y + -8z = 20 + -15x + 3y

Combine like terms: -3y + 3y = 0
-5w + 0 + -8z = 20 + -15x + 3y
-5w + -8z = 20 + -15x + 3y

Add '8z' to each side of the equation.
-5w + -8z + 8z = 20 + -15x + 3y + 8z

Combine like terms: -8z + 8z = 0
-5w + 0 = 20 + -15x + 3y + 8z
-5w = 20 + -15x + 3y + 8z

Divide each side by '-5'.
w = -4 + 3x + -0.6y + -1.6z

Simplifying
w = -4 + 3x + -0.6y + -1.6z

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