3y+z=90

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Solution for 3y+z=90 equation: 


Simplifying
3y + z = 90

Solving
3y + z = 90

Solving for variable 'y'.

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

Add '-1z' to each side of the equation.
3y + z + -1z = 90 + -1z

Combine like terms: z + -1z = 0
3y + 0 = 90 + -1z
3y = 90 + -1z

Divide each side by '3'.
y = 30 + -0.3333333333z

Simplifying
y = 30 + -0.3333333333z

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