3(y-9)=-7(4+y)

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Solution for 3(y-9)=-7(4+y) equation:


Simplifying
3(y + -9) = -7(4 + y)

Reorder the terms:
3(-9 + y) = -7(4 + y)
(-9 * 3 + y * 3) = -7(4 + y)
(-27 + 3y) = -7(4 + y)
-27 + 3y = (4 * -7 + y * -7)
-27 + 3y = (-28 + -7y)

Solving
-27 + 3y = -28 + -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.
-27 + 3y + 7y = -28 + -7y + 7y

Combine like terms: 3y + 7y = 10y
-27 + 10y = -28 + -7y + 7y

Combine like terms: -7y + 7y = 0
-27 + 10y = -28 + 0
-27 + 10y = -28

Add '27' to each side of the equation.
-27 + 27 + 10y = -28 + 27

Combine like terms: -27 + 27 = 0
0 + 10y = -28 + 27
10y = -28 + 27

Combine like terms: -28 + 27 = -1
10y = -1

Divide each side by '10'.
y = -0.1

Simplifying
y = -0.1

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