42-4y=31

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Solution for 42-4y=31 equation: 


Simplifying
42 + -4y = 31

Solving
42 + -4y = 31

Solving for variable 'y'.

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

Add '-42' to each side of the equation.
42 + -42 + -4y = 31 + -42

Combine like terms: 42 + -42 = 0
0 + -4y = 31 + -42
-4y = 31 + -42

Combine like terms: 31 + -42 = -11
-4y = -11

Divide each side by '-4'.
y = 2.75

Simplifying
y = 2.75

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