3(Y-4)-7Y=28

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Solution for 3(Y-4)-7Y=28 equation: 


Simplifying
3(Y + -4) + -7Y = 28

Reorder the terms:
3(-4 + Y) + -7Y = 28
(-4 * 3 + Y * 3) + -7Y = 28
(-12 + 3Y) + -7Y = 28

Combine like terms: 3Y + -7Y = -4Y
-12 + -4Y = 28

Solving
-12 + -4Y = 28

Solving for variable 'Y'.

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

Add '12' to each side of the equation.
-12 + 12 + -4Y = 28 + 12

Combine like terms: -12 + 12 = 0
0 + -4Y = 28 + 12
-4Y = 28 + 12

Combine like terms: 28 + 12 = 40
-4Y = 40

Divide each side by '-4'.
Y = -10

Simplifying
Y = -10

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