4y-.9=5y

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Solution for 4y-.9=5y equation:


Simplifying
4y + -0.9 = 5y

Reorder the terms:
-0.9 + 4y = 5y

Solving
-0.9 + 4y = 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-0.9 + 4y + -5y = 5y + -5y

Combine like terms: 4y + -5y = -1y
-0.9 + -1y = 5y + -5y

Combine like terms: 5y + -5y = 0
-0.9 + -1y = 0

Add '0.9' to each side of the equation.
-0.9 + 0.9 + -1y = 0 + 0.9

Combine like terms: -0.9 + 0.9 = 0.0
0.0 + -1y = 0 + 0.9
-1y = 0 + 0.9

Combine like terms: 0 + 0.9 = 0.9
-1y = 0.9

Divide each side by '-1'.
y = -0.9

Simplifying
y = -0.9

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