40+-1y+z=77

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Solution for 40+-1y+z=77 equation:


Simplifying
40 + -1y + z = 77

Solving
40 + -1y + z = 77

Solving for variable 'y'.

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

Add '-40' to each side of the equation.
40 + -1y + -40 + z = 77 + -40

Reorder the terms:
40 + -40 + -1y + z = 77 + -40

Combine like terms: 40 + -40 = 0
0 + -1y + z = 77 + -40
-1y + z = 77 + -40

Combine like terms: 77 + -40 = 37
-1y + z = 37

Add '-1z' to each side of the equation.
-1y + z + -1z = 37 + -1z

Combine like terms: z + -1z = 0
-1y + 0 = 37 + -1z
-1y = 37 + -1z

Divide each side by '-1'.
y = -37 + z

Simplifying
y = -37 + z

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