8y-7=9y-1

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Solution for 8y-7=9y-1 equation:


Simplifying
8y + -7 = 9y + -1

Reorder the terms:
-7 + 8y = 9y + -1

Reorder the terms:
-7 + 8y = -1 + 9y

Solving
-7 + 8y = -1 + 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 + 8y + -9y = -1 + 9y + -9y

Combine like terms: 8y + -9y = -1y
-7 + -1y = -1 + 9y + -9y

Combine like terms: 9y + -9y = 0
-7 + -1y = -1 + 0
-7 + -1y = -1

Add '7' to each side of the equation.
-7 + 7 + -1y = -1 + 7

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

Combine like terms: -1 + 7 = 6
-1y = 6

Divide each side by '-1'.
y = -6

Simplifying
y = -6

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