3(y-2)-6y=-21

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Solution for 3(y-2)-6y=-21 equation:


Simplifying
3(y + -2) + -6y = -21

Reorder the terms:
3(-2 + y) + -6y = -21
(-2 * 3 + y * 3) + -6y = -21
(-6 + 3y) + -6y = -21

Combine like terms: 3y + -6y = -3y
-6 + -3y = -21

Solving
-6 + -3y = -21

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 + -3y = -21 + 6

Combine like terms: -6 + 6 = 0
0 + -3y = -21 + 6
-3y = -21 + 6

Combine like terms: -21 + 6 = -15
-3y = -15

Divide each side by '-3'.
y = 5

Simplifying
y = 5

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