13y=3(4y-7)

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Solution for 13y=3(4y-7) equation:


Simplifying
13y = 3(4y + -7)

Reorder the terms:
13y = 3(-7 + 4y)
13y = (-7 * 3 + 4y * 3)
13y = (-21 + 12y)

Solving
13y = -21 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
13y + -12y = -21 + 12y + -12y

Combine like terms: 13y + -12y = 1y
1y = -21 + 12y + -12y

Combine like terms: 12y + -12y = 0
1y = -21 + 0
1y = -21

Divide each side by '1'.
y = -21

Simplifying
y = -21

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