8y-2(y+3)=18

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Solution for 8y-2(y+3)=18 equation:


Simplifying
8y + -2(y + 3) = 18

Reorder the terms:
8y + -2(3 + y) = 18
8y + (3 * -2 + y * -2) = 18
8y + (-6 + -2y) = 18

Reorder the terms:
-6 + 8y + -2y = 18

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

Solving
-6 + 6y = 18

Solving for variable 'y'.

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

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

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

Combine like terms: 18 + 6 = 24
6y = 24

Divide each side by '6'.
y = 4

Simplifying
y = 4

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