(18-7y)-(19+3y)=

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Solution for (18-7y)-(19+3y)= equation:


Simplifying
(18 + -7y) + -1(19 + 3y) = 0

Remove parenthesis around (18 + -7y)
18 + -7y + -1(19 + 3y) = 0
18 + -7y + (19 * -1 + 3y * -1) = 0
18 + -7y + (-19 + -3y) = 0

Reorder the terms:
18 + -19 + -7y + -3y = 0

Combine like terms: 18 + -19 = -1
-1 + -7y + -3y = 0

Combine like terms: -7y + -3y = -10y
-1 + -10y = 0

Solving
-1 + -10y = 0

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + -10y = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -10y = 0 + 1
-10y = 0 + 1

Combine like terms: 0 + 1 = 1
-10y = 1

Divide each side by '-10'.
y = -0.1

Simplifying
y = -0.1

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