8y+40=2(3y+10)-2

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Solution for 8y+40=2(3y+10)-2 equation:


Simplifying
8y + 40 = 2(3y + 10) + -2

Reorder the terms:
40 + 8y = 2(3y + 10) + -2

Reorder the terms:
40 + 8y = 2(10 + 3y) + -2
40 + 8y = (10 * 2 + 3y * 2) + -2
40 + 8y = (20 + 6y) + -2

Reorder the terms:
40 + 8y = 20 + -2 + 6y

Combine like terms: 20 + -2 = 18
40 + 8y = 18 + 6y

Solving
40 + 8y = 18 + 6y

Solving for variable 'y'.

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

Add '-6y' to each side of the equation.
40 + 8y + -6y = 18 + 6y + -6y

Combine like terms: 8y + -6y = 2y
40 + 2y = 18 + 6y + -6y

Combine like terms: 6y + -6y = 0
40 + 2y = 18 + 0
40 + 2y = 18

Add '-40' to each side of the equation.
40 + -40 + 2y = 18 + -40

Combine like terms: 40 + -40 = 0
0 + 2y = 18 + -40
2y = 18 + -40

Combine like terms: 18 + -40 = -22
2y = -22

Divide each side by '2'.
y = -11

Simplifying
y = -11

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