3(y-7)=30

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Solution for 3(y-7)=30 equation: 


Simplifying
3(y + -7) = 30

Reorder the terms:
3(-7 + y) = 30
(-7 * 3 + y * 3) = 30
(-21 + 3y) = 30

Solving
-21 + 3y = 30

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 3y = 30 + 21

Combine like terms: -21 + 21 = 0
0 + 3y = 30 + 21
3y = 30 + 21

Combine like terms: 30 + 21 = 51
3y = 51

Divide each side by '3'.
y = 17

Simplifying
y = 17

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