-2(-9+3y+z)+y+2z=3

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Solution for -2(-9+3y+z)+y+2z=3 equation:


Simplifying
-2(-9 + 3y + z) + y + 2z = 3
(-9 * -2 + 3y * -2 + z * -2) + y + 2z = 3
(18 + -6y + -2z) + y + 2z = 3

Reorder the terms:
18 + -6y + y + -2z + 2z = 3

Combine like terms: -6y + y = -5y
18 + -5y + -2z + 2z = 3

Combine like terms: -2z + 2z = 0
18 + -5y + 0 = 3
18 + -5y = 3

Solving
18 + -5y = 3

Solving for variable 'y'.

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

Add '-18' to each side of the equation.
18 + -18 + -5y = 3 + -18

Combine like terms: 18 + -18 = 0
0 + -5y = 3 + -18
-5y = 3 + -18

Combine like terms: 3 + -18 = -15
-5y = -15

Divide each side by '-5'.
y = 3

Simplifying
y = 3

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