Y+7(3)=9

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Solution for Y+7(3)=9 equation: 


Simplifying
Y + 7(3) = 9

Multiply 7 * 3
Y + 21 = 9

Reorder the terms:
21 + Y = 9

Solving
21 + Y = 9

Solving for variable 'Y'.

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

Add '-21' to each side of the equation.
21 + -21 + Y = 9 + -21

Combine like terms: 21 + -21 = 0
0 + Y = 9 + -21
Y = 9 + -21

Combine like terms: 9 + -21 = -12
Y = -12

Simplifying
Y = -12

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