y=40-7y

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Solution for y=40-7y equation: 


Simplifying
y = 40 + -7y

Solving
y = 40 + -7y

Solving for variable 'y'.

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

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

Combine like terms: y + 7y = 8y
8y = 40 + -7y + 7y

Combine like terms: -7y + 7y = 0
8y = 40 + 0
8y = 40

Divide each side by '8'.
y = 5

Simplifying
y = 5

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