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

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


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

Reorder the terms:
-4 + -9y = 7(y + 4)

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

Solving
-4 + -9y = 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.
-4 + -9y + -7y = 28 + 7y + -7y

Combine like terms: -9y + -7y = -16y
-4 + -16y = 28 + 7y + -7y

Combine like terms: 7y + -7y = 0
-4 + -16y = 28 + 0
-4 + -16y = 28

Add '4' to each side of the equation.
-4 + 4 + -16y = 28 + 4

Combine like terms: -4 + 4 = 0
0 + -16y = 28 + 4
-16y = 28 + 4

Combine like terms: 28 + 4 = 32
-16y = 32

Divide each side by '-16'.
y = -2

Simplifying
y = -2

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