4y+11=9y-21

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Solution for 4y+11=9y-21 equation:


Simplifying
4y + 11 = 9y + -21

Reorder the terms:
11 + 4y = 9y + -21

Reorder the terms:
11 + 4y = -21 + 9y

Solving
11 + 4y = -21 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
11 + 4y + -9y = -21 + 9y + -9y

Combine like terms: 4y + -9y = -5y
11 + -5y = -21 + 9y + -9y

Combine like terms: 9y + -9y = 0
11 + -5y = -21 + 0
11 + -5y = -21

Add '-11' to each side of the equation.
11 + -11 + -5y = -21 + -11

Combine like terms: 11 + -11 = 0
0 + -5y = -21 + -11
-5y = -21 + -11

Combine like terms: -21 + -11 = -32
-5y = -32

Divide each side by '-5'.
y = 6.4

Simplifying
y = 6.4

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