7y+2+5y+9=16y-21

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Solution for 7y+2+5y+9=16y-21 equation: 


Simplifying
7y + 2 + 5y + 9 = 16y + -21

Reorder the terms:
2 + 9 + 7y + 5y = 16y + -21

Combine like terms: 2 + 9 = 11
11 + 7y + 5y = 16y + -21

Combine like terms: 7y + 5y = 12y
11 + 12y = 16y + -21

Reorder the terms:
11 + 12y = -21 + 16y

Solving
11 + 12y = -21 + 16y

Solving for variable 'y'.

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

Add '-16y' to each side of the equation.
11 + 12y + -16y = -21 + 16y + -16y

Combine like terms: 12y + -16y = -4y
11 + -4y = -21 + 16y + -16y

Combine like terms: 16y + -16y = 0
11 + -4y = -21 + 0
11 + -4y = -21

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

Combine like terms: 11 + -11 = 0
0 + -4y = -21 + -11
-4y = -21 + -11

Combine like terms: -21 + -11 = -32
-4y = -32

Divide each side by '-4'.
y = 8

Simplifying
y = 8

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