19=-2(4+z)-3

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Solution for 19=-2(4+z)-3 equation:


Simplifying
19 = -2(4 + z) + -3
19 = (4 * -2 + z * -2) + -3
19 = (-8 + -2z) + -3

Reorder the terms:
19 = -8 + -3 + -2z

Combine like terms: -8 + -3 = -11
19 = -11 + -2z

Solving
19 = -11 + -2z

Solving for variable 'z'.

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

Add '2z' to each side of the equation.
19 + 2z = -11 + -2z + 2z

Combine like terms: -2z + 2z = 0
19 + 2z = -11 + 0
19 + 2z = -11

Add '-19' to each side of the equation.
19 + -19 + 2z = -11 + -19

Combine like terms: 19 + -19 = 0
0 + 2z = -11 + -19
2z = -11 + -19

Combine like terms: -11 + -19 = -30
2z = -30

Divide each side by '2'.
z = -15

Simplifying
z = -15

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