8y-7y-9-4=

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


Simplifying
8y + -7y + -9 + -4 = 0

Reorder the terms:
-9 + -4 + 8y + -7y = 0

Combine like terms: -9 + -4 = -13
-13 + 8y + -7y = 0

Combine like terms: 8y + -7y = 1y
-13 + 1y = 0

Solving
-13 + 1y = 0

Solving for variable 'y'.

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

Add '13' to each side of the equation.
-13 + 13 + 1y = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 1y = 0 + 13
1y = 0 + 13

Combine like terms: 0 + 13 = 13
1y = 13

Divide each side by '1'.
y = 13

Simplifying
y = 13

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