16-3y+4y=21

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Solution for 16-3y+4y=21 equation: 


Simplifying
16 + -3y + 4y = 21

Combine like terms: -3y + 4y = 1y
16 + 1y = 21

Solving
16 + 1y = 21

Solving for variable 'y'.

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

Add '-16' to each side of the equation.
16 + -16 + 1y = 21 + -16

Combine like terms: 16 + -16 = 0
0 + 1y = 21 + -16
1y = 21 + -16

Combine like terms: 21 + -16 = 5
1y = 5

Divide each side by '1'.
y = 5

Simplifying
y = 5

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