10y+12-(-7y)-(-8)-(-3y)=

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Solution for 10y+12-(-7y)-(-8)-(-3y)= equation:


Simplifying
10y + 12 + -1(-7y) + -1(-8) + -1(-3y) = 0

Remove parenthesis around (-7y)
10y + 12 + -1 * -7y + -1(-8) + -1(-3y) = 0

Multiply -1 * -7
10y + 12 + 7y + -1(-8) + -1(-3y) = 0

Multiply -1 * -8
10y + 12 + 7y + 8 + -1(-3y) = 0

Remove parenthesis around (-3y)
10y + 12 + 7y + 8 + -1 * -3y = 0

Multiply -1 * -3
10y + 12 + 7y + 8 + 3y = 0

Reorder the terms:
12 + 8 + 10y + 7y + 3y = 0

Combine like terms: 12 + 8 = 20
20 + 10y + 7y + 3y = 0

Combine like terms: 10y + 7y = 17y
20 + 17y + 3y = 0

Combine like terms: 17y + 3y = 20y
20 + 20y = 0

Solving
20 + 20y = 0

Solving for variable 'y'.

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

Add '-20' to each side of the equation.
20 + -20 + 20y = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 20y = 0 + -20
20y = 0 + -20

Combine like terms: 0 + -20 = -20
20y = -20

Divide each side by '20'.
y = -1

Simplifying
y = -1

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