-2(Y+7)=3Y+21

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Solution for -2(Y+7)=3Y+21 equation:


Simplifying
-2(Y + 7) = 3Y + 21

Reorder the terms:
-2(7 + Y) = 3Y + 21
(7 * -2 + Y * -2) = 3Y + 21
(-14 + -2Y) = 3Y + 21

Reorder the terms:
-14 + -2Y = 21 + 3Y

Solving
-14 + -2Y = 21 + 3Y

Solving for variable 'Y'.

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

Add '-3Y' to each side of the equation.
-14 + -2Y + -3Y = 21 + 3Y + -3Y

Combine like terms: -2Y + -3Y = -5Y
-14 + -5Y = 21 + 3Y + -3Y

Combine like terms: 3Y + -3Y = 0
-14 + -5Y = 21 + 0
-14 + -5Y = 21

Add '14' to each side of the equation.
-14 + 14 + -5Y = 21 + 14

Combine like terms: -14 + 14 = 0
0 + -5Y = 21 + 14
-5Y = 21 + 14

Combine like terms: 21 + 14 = 35
-5Y = 35

Divide each side by '-5'.
Y = -7

Simplifying
Y = -7

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