7y-56=21-12y

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Solution for 7y-56=21-12y equation:


Simplifying
7y + -56 = 21 + -12y

Reorder the terms:
-56 + 7y = 21 + -12y

Solving
-56 + 7y = 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.
-56 + 7y + 12y = 21 + -12y + 12y

Combine like terms: 7y + 12y = 19y
-56 + 19y = 21 + -12y + 12y

Combine like terms: -12y + 12y = 0
-56 + 19y = 21 + 0
-56 + 19y = 21

Add '56' to each side of the equation.
-56 + 56 + 19y = 21 + 56

Combine like terms: -56 + 56 = 0
0 + 19y = 21 + 56
19y = 21 + 56

Combine like terms: 21 + 56 = 77
19y = 77

Divide each side by '19'.
y = 4.052631579

Simplifying
y = 4.052631579

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