40-7y=2(y+2)

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Solution for 40-7y=2(y+2) equation: 


Simplifying
40 + -7y = 2(y + 2)

Reorder the terms:
40 + -7y = 2(2 + y)
40 + -7y = (2 * 2 + y * 2)
40 + -7y = (4 + 2y)

Solving
40 + -7y = 4 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
40 + -7y + -2y = 4 + 2y + -2y

Combine like terms: -7y + -2y = -9y
40 + -9y = 4 + 2y + -2y

Combine like terms: 2y + -2y = 0
40 + -9y = 4 + 0
40 + -9y = 4

Add '-40' to each side of the equation.
40 + -40 + -9y = 4 + -40

Combine like terms: 40 + -40 = 0
0 + -9y = 4 + -40
-9y = 4 + -40

Combine like terms: 4 + -40 = -36
-9y = -36

Divide each side by '-9'.
y = 4

Simplifying
y = 4

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