40-3y=7y

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Solution for 40-3y=7y equation:


Simplifying
40 + -3y = 7y

Solving
40 + -3y = 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.
40 + -3y + -7y = 7y + -7y

Combine like terms: -3y + -7y = -10y
40 + -10y = 7y + -7y

Combine like terms: 7y + -7y = 0
40 + -10y = 0

Add '-40' to each side of the equation.
40 + -40 + -10y = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -10y = 0 + -40
-10y = 0 + -40

Combine like terms: 0 + -40 = -40
-10y = -40

Divide each side by '-10'.
y = 4

Simplifying
y = 4

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