2y-z=7

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Solution for 2y-z=7 equation: 


Simplifying
2y + -1z = 7

Solving
2y + -1z = 7

Solving for variable 'y'.

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

Add 'z' to each side of the equation.
2y + -1z + z = 7 + z

Combine like terms: -1z + z = 0
2y + 0 = 7 + z
2y = 7 + z

Divide each side by '2'.
y = 3.5 + 0.5z

Simplifying
y = 3.5 + 0.5z

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