4-7y=40-y

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Solution for 4-7y=40-y equation:


Simplifying
4 + -7y = 40 + -1y

Solving
4 + -7y = 40 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
4 + -7y + y = 40 + -1y + y

Combine like terms: -7y + y = -6y
4 + -6y = 40 + -1y + y

Combine like terms: -1y + y = 0
4 + -6y = 40 + 0
4 + -6y = 40

Add '-4' to each side of the equation.
4 + -4 + -6y = 40 + -4

Combine like terms: 4 + -4 = 0
0 + -6y = 40 + -4
-6y = 40 + -4

Combine like terms: 40 + -4 = 36
-6y = 36

Divide each side by '-6'.
y = -6

Simplifying
y = -6

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