-7(3)-4Y=20

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Solution for -7(3)-4Y=20 equation: 


Simplifying
-7(3) + -4Y = 20

Multiply -7 * 3
-21 + -4Y = 20

Solving
-21 + -4Y = 20

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 + -4Y = 20 + 21

Combine like terms: -21 + 21 = 0
0 + -4Y = 20 + 21
-4Y = 20 + 21

Combine like terms: 20 + 21 = 41
-4Y = 41

Divide each side by '-4'.
Y = -10.25

Simplifying
Y = -10.25

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