1=9-4y

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Solution for 1=9-4y equation:


Simplifying
1 = 9 + -4y

Solving
1 = 9 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
1 + 4y = 9 + -4y + 4y

Combine like terms: -4y + 4y = 0
1 + 4y = 9 + 0
1 + 4y = 9

Add '-1' to each side of the equation.
1 + -1 + 4y = 9 + -1

Combine like terms: 1 + -1 = 0
0 + 4y = 9 + -1
4y = 9 + -1

Combine like terms: 9 + -1 = 8
4y = 8

Divide each side by '4'.
y = 2

Simplifying
y = 2

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