3(5y-2)=-21

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Solution for 3(5y-2)=-21 equation: 


Simplifying
3(5y + -2) = -21

Reorder the terms:
3(-2 + 5y) = -21
(-2 * 3 + 5y * 3) = -21
(-6 + 15y) = -21

Solving
-6 + 15y = -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 + 15y = -21 + 6

Combine like terms: -6 + 6 = 0
0 + 15y = -21 + 6
15y = -21 + 6

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

Divide each side by '15'.
y = -1

Simplifying
y = -1

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