z-2z+3=4(z+4.5)

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Solution for z-2z+3=4(z+4.5) equation:


Simplifying
z + -2z + 3 = 4(z + 4.5)

Reorder the terms:
3 + z + -2z = 4(z + 4.5)

Combine like terms: z + -2z = -1z
3 + -1z = 4(z + 4.5)

Reorder the terms:
3 + -1z = 4(4.5 + z)
3 + -1z = (4.5 * 4 + z * 4)
3 + -1z = (18 + 4z)

Solving
3 + -1z = 18 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
3 + -1z + -4z = 18 + 4z + -4z

Combine like terms: -1z + -4z = -5z
3 + -5z = 18 + 4z + -4z

Combine like terms: 4z + -4z = 0
3 + -5z = 18 + 0
3 + -5z = 18

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

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

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

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

Simplifying
z = -3

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