21+8y=72

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Solution for 21+8y=72 equation: 


Simplifying
21 + 8y = 72

Solving
21 + 8y = 72

Solving for variable 'y'.

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

Add '-21' to each side of the equation.
21 + -21 + 8y = 72 + -21

Combine like terms: 21 + -21 = 0
0 + 8y = 72 + -21
8y = 72 + -21

Combine like terms: 72 + -21 = 51
8y = 51

Divide each side by '8'.
y = 6.375

Simplifying
y = 6.375

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