7y-(3y+6)=y+30

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Solution for 7y-(3y+6)=y+30 equation:


Simplifying
7y + -1(3y + 6) = y + 30

Reorder the terms:
7y + -1(6 + 3y) = y + 30
7y + (6 * -1 + 3y * -1) = y + 30
7y + (-6 + -3y) = y + 30

Reorder the terms:
-6 + 7y + -3y = y + 30

Combine like terms: 7y + -3y = 4y
-6 + 4y = y + 30

Reorder the terms:
-6 + 4y = 30 + y

Solving
-6 + 4y = 30 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-6 + 4y + -1y = 30 + y + -1y

Combine like terms: 4y + -1y = 3y
-6 + 3y = 30 + y + -1y

Combine like terms: y + -1y = 0
-6 + 3y = 30 + 0
-6 + 3y = 30

Add '6' to each side of the equation.
-6 + 6 + 3y = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 3y = 30 + 6
3y = 30 + 6

Combine like terms: 30 + 6 = 36
3y = 36

Divide each side by '3'.
y = 12

Simplifying
y = 12

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