4(12+z)-z=(-9)

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Solution for 4(12+z)-z=(-9) equation:


Simplifying
4(12 + z) + -1z = (-9)
(12 * 4 + z * 4) + -1z = (-9)
(48 + 4z) + -1z = (-9)

Combine like terms: 4z + -1z = 3z
48 + 3z = (-9)
48 + 3z = -9

Solving
48 + 3z = -9

Solving for variable 'z'.

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

Add '-48' to each side of the equation.
48 + -48 + 3z = -9 + -48

Combine like terms: 48 + -48 = 0
0 + 3z = -9 + -48
3z = -9 + -48

Combine like terms: -9 + -48 = -57
3z = -57

Divide each side by '3'.
z = -19

Simplifying
z = -19

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