8y-7y+1=-9

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


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

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

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

Solving
1 + 1y = -9

Solving for variable 'y'.

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

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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