3y+17=21-5y

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Solution for 3y+17=21-5y equation:


Simplifying
3y + 17 = 21 + -5y

Reorder the terms:
17 + 3y = 21 + -5y

Solving
17 + 3y = 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.
17 + 3y + 5y = 21 + -5y + 5y

Combine like terms: 3y + 5y = 8y
17 + 8y = 21 + -5y + 5y

Combine like terms: -5y + 5y = 0
17 + 8y = 21 + 0
17 + 8y = 21

Add '-17' to each side of the equation.
17 + -17 + 8y = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 8y = 21 + -17
8y = 21 + -17

Combine like terms: 21 + -17 = 4
8y = 4

Divide each side by '8'.
y = 0.5

Simplifying
y = 0.5

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