3(y-7)=5y-21

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Solution for 3(y-7)=5y-21 equation: 


Simplifying
3(y + -7) = 5y + -21

Reorder the terms:
3(-7 + y) = 5y + -21
(-7 * 3 + y * 3) = 5y + -21
(-21 + 3y) = 5y + -21

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

Add '21' to each side of the equation.
-21 + 21 + 3y = -21 + 21 + 5y

Combine like terms: -21 + 21 = 0
0 + 3y = -21 + 21 + 5y
3y = -21 + 21 + 5y

Combine like terms: -21 + 21 = 0
3y = 0 + 5y
3y = 5y

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

Combine like terms: 3y + -5y = -2y
-2y = 5y + -5y

Combine like terms: 5y + -5y = 0
-2y = 0

Divide each side by '-2'.
y = 0

Simplifying
y = 0

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