3(0)+6+5y=21

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Solution for 3(0)+6+5y=21 equation: 


Simplifying
3(0) + 6 + 5y = 21

Multiply 3 * 0
0 + 6 + 5y = 21

Anything times zero is zero.
0 + 6 + 5y = 21

Combine like terms: 0 + 6 = 6
6 + 5y = 21

Solving
6 + 5y = 21

Solving for variable 'y'.

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

Add '-6' to each side of the equation.
6 + -6 + 5y = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 5y = 21 + -6
5y = 21 + -6

Combine like terms: 21 + -6 = 15
5y = 15

Divide each side by '5'.
y = 3

Simplifying
y = 3

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