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

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


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

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

Reorder the terms:
15 + 3y + -2(-3 + 2y) = 21
15 + 3y + (-3 * -2 + 2y * -2) = 21
15 + 3y + (6 + -4y) = 21

Reorder the terms:
15 + 6 + 3y + -4y = 21

Combine like terms: 15 + 6 = 21
21 + 3y + -4y = 21

Combine like terms: 3y + -4y = -1y
21 + -1y = 21

Add '-21' to each side of the equation.
21 + -21 + -1y = 21 + -21

Combine like terms: 21 + -21 = 0
0 + -1y = 21 + -21
-1y = 21 + -21

Combine like terms: 21 + -21 = 0
-1y = 0

Solving
-1y = 0

Solving for variable 'y'.

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

Divide each side by '-1'.
y = 0

Simplifying
y = 0

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