z+2-3z=2z-20

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Solution for z+2-3z=2z-20 equation:


Simplifying
z + 2 + -3z = 2z + -20

Reorder the terms:
2 + z + -3z = 2z + -20

Combine like terms: z + -3z = -2z
2 + -2z = 2z + -20

Reorder the terms:
2 + -2z = -20 + 2z

Solving
2 + -2z = -20 + 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.
2 + -2z + -2z = -20 + 2z + -2z

Combine like terms: -2z + -2z = -4z
2 + -4z = -20 + 2z + -2z

Combine like terms: 2z + -2z = 0
2 + -4z = -20 + 0
2 + -4z = -20

Add '-2' to each side of the equation.
2 + -2 + -4z = -20 + -2

Combine like terms: 2 + -2 = 0
0 + -4z = -20 + -2
-4z = -20 + -2

Combine like terms: -20 + -2 = -22
-4z = -22

Divide each side by '-4'.
z = 5.5

Simplifying
z = 5.5

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