z+3z=90-2-6

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Solution for z+3z=90-2-6 equation: 


Simplifying
z + 3z = 90 + -2 + -6

Combine like terms: z + 3z = 4z
4z = 90 + -2 + -6

Combine like terms: 90 + -2 = 88
4z = 88 + -6

Combine like terms: 88 + -6 = 82
4z = 82

Solving
4z = 82

Solving for variable 'z'.

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

Divide each side by '4'.
z = 20.5

Simplifying
z = 20.5

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