6-10y=21-4y

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Solution for 6-10y=21-4y equation:


Simplifying
6 + -10y = 21 + -4y

Solving
6 + -10y = 21 + -4y

Solving for variable 'y'.

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

Add '4y' to each side of the equation.
6 + -10y + 4y = 21 + -4y + 4y

Combine like terms: -10y + 4y = -6y
6 + -6y = 21 + -4y + 4y

Combine like terms: -4y + 4y = 0
6 + -6y = 21 + 0
6 + -6y = 21

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

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

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

Divide each side by '-6'.
y = -2.5

Simplifying
y = -2.5

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