3(y-7)=10y

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Solution for 3(y-7)=10y equation:


Simplifying
3(y + -7) = 10y

Reorder the terms:
3(-7 + y) = 10y
(-7 * 3 + y * 3) = 10y
(-21 + 3y) = 10y

Solving
-21 + 3y = 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
-21 + 3y + -10y = 10y + -10y

Combine like terms: 3y + -10y = -7y
-21 + -7y = 10y + -10y

Combine like terms: 10y + -10y = 0
-21 + -7y = 0

Add '21' to each side of the equation.
-21 + 21 + -7y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + -7y = 0 + 21
-7y = 0 + 21

Combine like terms: 0 + 21 = 21
-7y = 21

Divide each side by '-7'.
y = -3

Simplifying
y = -3

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