40=8y-4y

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Solution for 40=8y-4y equation:


Simplifying
40 = 8y + -4y

Combine like terms: 8y + -4y = 4y
40 = 4y

Solving
40 = 4y

Solving for variable 'y'.

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

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

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

Add '-40' to each side of the equation.
40 + -40 + -4y = 0 + -40

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

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

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

Simplifying
y = 10

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