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

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


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

Reorder the terms:
-30 = -3y + 6(-7 + y)
-30 = -3y + (-7 * 6 + y * 6)
-30 = -3y + (-42 + 6y)

Reorder the terms:
-30 = -42 + -3y + 6y

Combine like terms: -3y + 6y = 3y
-30 = -42 + 3y

Solving
-30 = -42 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
-30 + -3y = -42 + 3y + -3y

Combine like terms: 3y + -3y = 0
-30 + -3y = -42 + 0
-30 + -3y = -42

Add '30' to each side of the equation.
-30 + 30 + -3y = -42 + 30

Combine like terms: -30 + 30 = 0
0 + -3y = -42 + 30
-3y = -42 + 30

Combine like terms: -42 + 30 = -12
-3y = -12

Divide each side by '-3'.
y = 4

Simplifying
y = 4

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