2(18+-1y+-9z)-y-z=-11

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Solution for 2(18+-1y+-9z)-y-z=-11 equation:


Simplifying
2(18 + -1y + -9z) + -1y + -1z = -11
(18 * 2 + -1y * 2 + -9z * 2) + -1y + -1z = -11
(36 + -2y + -18z) + -1y + -1z = -11

Reorder the terms:
36 + -2y + -1y + -18z + -1z = -11

Combine like terms: -2y + -1y = -3y
36 + -3y + -18z + -1z = -11

Combine like terms: -18z + -1z = -19z
36 + -3y + -19z = -11

Solving
36 + -3y + -19z = -11

Solving for variable 'y'.

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

Add '-36' to each side of the equation.
36 + -3y + -36 + -19z = -11 + -36

Reorder the terms:
36 + -36 + -3y + -19z = -11 + -36

Combine like terms: 36 + -36 = 0
0 + -3y + -19z = -11 + -36
-3y + -19z = -11 + -36

Combine like terms: -11 + -36 = -47
-3y + -19z = -47

Add '19z' to each side of the equation.
-3y + -19z + 19z = -47 + 19z

Combine like terms: -19z + 19z = 0
-3y + 0 = -47 + 19z
-3y = -47 + 19z

Divide each side by '-3'.
y = 15.66666667 + -6.333333333z

Simplifying
y = 15.66666667 + -6.333333333z

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