3(y-4)=-7(3+y)

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Solution for 3(y-4)=-7(3+y) equation:


Simplifying
3(y + -4) = -7(3 + y)

Reorder the terms:
3(-4 + y) = -7(3 + y)
(-4 * 3 + y * 3) = -7(3 + y)
(-12 + 3y) = -7(3 + y)
-12 + 3y = (3 * -7 + y * -7)
-12 + 3y = (-21 + -7y)

Solving
-12 + 3y = -21 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
-12 + 3y + 7y = -21 + -7y + 7y

Combine like terms: 3y + 7y = 10y
-12 + 10y = -21 + -7y + 7y

Combine like terms: -7y + 7y = 0
-12 + 10y = -21 + 0
-12 + 10y = -21

Add '12' to each side of the equation.
-12 + 12 + 10y = -21 + 12

Combine like terms: -12 + 12 = 0
0 + 10y = -21 + 12
10y = -21 + 12

Combine like terms: -21 + 12 = -9
10y = -9

Divide each side by '10'.
y = -0.9

Simplifying
y = -0.9

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