6y-(y-3)=18

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Solution for 6y-(y-3)=18 equation:


Simplifying
6y + -1(y + -3) = 18

Reorder the terms:
6y + -1(-3 + y) = 18
6y + (-3 * -1 + y * -1) = 18
6y + (3 + -1y) = 18

Reorder the terms:
3 + 6y + -1y = 18

Combine like terms: 6y + -1y = 5y
3 + 5y = 18

Solving
3 + 5y = 18

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 5y = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 5y = 18 + -3
5y = 18 + -3

Combine like terms: 18 + -3 = 15
5y = 15

Divide each side by '5'.
y = 3

Simplifying
y = 3

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