9y+5=21y+45

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Solution for 9y+5=21y+45 equation:


Simplifying
9y + 5 = 21y + 45

Reorder the terms:
5 + 9y = 21y + 45

Reorder the terms:
5 + 9y = 45 + 21y

Solving
5 + 9y = 45 + 21y

Solving for variable 'y'.

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

Add '-21y' to each side of the equation.
5 + 9y + -21y = 45 + 21y + -21y

Combine like terms: 9y + -21y = -12y
5 + -12y = 45 + 21y + -21y

Combine like terms: 21y + -21y = 0
5 + -12y = 45 + 0
5 + -12y = 45

Add '-5' to each side of the equation.
5 + -5 + -12y = 45 + -5

Combine like terms: 5 + -5 = 0
0 + -12y = 45 + -5
-12y = 45 + -5

Combine like terms: 45 + -5 = 40
-12y = 40

Divide each side by '-12'.
y = -3.333333333

Simplifying
y = -3.333333333

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