(4-13y)-(20+15y)=

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Solution for (4-13y)-(20+15y)= equation:


Simplifying
(4 + -13y) + -1(20 + 15y) = 0

Remove parenthesis around (4 + -13y)
4 + -13y + -1(20 + 15y) = 0
4 + -13y + (20 * -1 + 15y * -1) = 0
4 + -13y + (-20 + -15y) = 0

Reorder the terms:
4 + -20 + -13y + -15y = 0

Combine like terms: 4 + -20 = -16
-16 + -13y + -15y = 0

Combine like terms: -13y + -15y = -28y
-16 + -28y = 0

Solving
-16 + -28y = 0

Solving for variable 'y'.

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

Add '16' to each side of the equation.
-16 + 16 + -28y = 0 + 16

Combine like terms: -16 + 16 = 0
0 + -28y = 0 + 16
-28y = 0 + 16

Combine like terms: 0 + 16 = 16
-28y = 16

Divide each side by '-28'.
y = -0.5714285714

Simplifying
y = -0.5714285714

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