-1+8y=7y+9

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


Simplifying
-1 + 8y = 7y + 9

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

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

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

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

Add '1' to each side of the equation.
-1 + 1 + 1y = 9 + 1

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

Combine like terms: 9 + 1 = 10
1y = 10

Divide each side by '1'.
y = 10

Simplifying
y = 10

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