10y+6=5y+21

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Solution for 10y+6=5y+21 equation:


Simplifying
10y + 6 = 5y + 21

Reorder the terms:
6 + 10y = 5y + 21

Reorder the terms:
6 + 10y = 21 + 5y

Solving
6 + 10y = 21 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
6 + 10y + -5y = 21 + 5y + -5y

Combine like terms: 10y + -5y = 5y
6 + 5y = 21 + 5y + -5y

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

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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