0.9y+1=y-0.8

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Solution for 0.9y+1=y-0.8 equation: 


Simplifying
0.9y + 1 = y + -0.8

Reorder the terms:
1 + 0.9y = y + -0.8

Reorder the terms:
1 + 0.9y = -0.8 + y

Solving
1 + 0.9y = -0.8 + 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 + 0.9y + -1y = -0.8 + y + -1y

Combine like terms: 0.9y + -1y = -0.1y
1 + -0.1y = -0.8 + y + -1y

Combine like terms: y + -1y = 0
1 + -0.1y = -0.8 + 0
1 + -0.1y = -0.8

Add '-1' to each side of the equation.
1 + -1 + -0.1y = -0.8 + -1

Combine like terms: 1 + -1 = 0
0 + -0.1y = -0.8 + -1
-0.1y = -0.8 + -1

Combine like terms: -0.8 + -1 = -1.8
-0.1y = -1.8

Divide each side by '-0.1'.
y = 18

Simplifying
y = 18

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