3y-20=7(9)

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Solution for 3y-20=7(9) equation: 


Simplifying
3y + -20 = 7(9)

Reorder the terms:
-20 + 3y = 7(9)

Multiply 7 * 9
-20 + 3y = 63

Solving
-20 + 3y = 63

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + 3y = 63 + 20

Combine like terms: -20 + 20 = 0
0 + 3y = 63 + 20
3y = 63 + 20

Combine like terms: 63 + 20 = 83
3y = 83

Divide each side by '3'.
y = 27.66666667

Simplifying
y = 27.66666667

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