-4y-7=8-9y

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Solution for -4y-7=8-9y equation:


Simplifying
-4y + -7 = 8 + -9y

Reorder the terms:
-7 + -4y = 8 + -9y

Solving
-7 + -4y = 8 + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
-7 + -4y + 9y = 8 + -9y + 9y

Combine like terms: -4y + 9y = 5y
-7 + 5y = 8 + -9y + 9y

Combine like terms: -9y + 9y = 0
-7 + 5y = 8 + 0
-7 + 5y = 8

Add '7' to each side of the equation.
-7 + 7 + 5y = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 5y = 8 + 7
5y = 8 + 7

Combine like terms: 8 + 7 = 15
5y = 15

Divide each side by '5'.
y = 3

Simplifying
y = 3

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