0.91y+1=y-8

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Solution for 0.91y+1=y-8 equation:


Simplifying
0.91y + 1 = y + -8

Reorder the terms:
1 + 0.91y = y + -8

Reorder the terms:
1 + 0.91y = -8 + y

Solving
1 + 0.91y = -8 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
1 + 0.91y + -1y = -8 + y + -1y

Combine like terms: 0.91y + -1y = -0.09y
1 + -0.09y = -8 + y + -1y

Combine like terms: y + -1y = 0
1 + -0.09y = -8 + 0
1 + -0.09y = -8

Add '-1' to each side of the equation.
1 + -1 + -0.09y = -8 + -1

Combine like terms: 1 + -1 = 0
0 + -0.09y = -8 + -1
-0.09y = -8 + -1

Combine like terms: -8 + -1 = -9
-0.09y = -9

Divide each side by '-0.09'.
y = 100

Simplifying
y = 100

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