-2[18-3y]=7y+2y

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Solution for -2[18-3y]=7y+2y equation:


Simplifying
-2[18 + -3y] = 7y + 2y
[18 * -2 + -3y * -2] = 7y + 2y
[-36 + 6y] = 7y + 2y

Combine like terms: 7y + 2y = 9y
-36 + 6y = 9y

Solving
-36 + 6y = 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
-36 + 6y + -9y = 9y + -9y

Combine like terms: 6y + -9y = -3y
-36 + -3y = 9y + -9y

Combine like terms: 9y + -9y = 0
-36 + -3y = 0

Add '36' to each side of the equation.
-36 + 36 + -3y = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -3y = 0 + 36
-3y = 0 + 36

Combine like terms: 0 + 36 = 36
-3y = 36

Divide each side by '-3'.
y = -12

Simplifying
y = -12

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