13-4(3X+5Y)-Y=

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Solution for 13-4(3X+5Y)-Y= equation: 


Simplifying
13 + -4(3X + 5Y) + -1Y = 0
13 + (3X * -4 + 5Y * -4) + -1Y = 0
13 + (-12X + -20Y) + -1Y = 0

Combine like terms: -20Y + -1Y = -21Y
13 + -12X + -21Y = 0

Solving
13 + -12X + -21Y = 0

Solving for variable 'X'.

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

Add '-13' to each side of the equation.
13 + -12X + -13 + -21Y = 0 + -13

Reorder the terms:
13 + -13 + -12X + -21Y = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -12X + -21Y = 0 + -13
-12X + -21Y = 0 + -13

Combine like terms: 0 + -13 = -13
-12X + -21Y = -13

Add '21Y' to each side of the equation.
-12X + -21Y + 21Y = -13 + 21Y

Combine like terms: -21Y + 21Y = 0
-12X + 0 = -13 + 21Y
-12X = -13 + 21Y

Divide each side by '-12'.
X = 1.083333333 + -1.75Y

Simplifying
X = 1.083333333 + -1.75Y

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