7y+5y-57=76-7y

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Solution for 7y+5y-57=76-7y equation:


Simplifying
7y + 5y + -57 = 76 + -7y

Reorder the terms:
-57 + 7y + 5y = 76 + -7y

Combine like terms: 7y + 5y = 12y
-57 + 12y = 76 + -7y

Solving
-57 + 12y = 76 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
-57 + 12y + 7y = 76 + -7y + 7y

Combine like terms: 12y + 7y = 19y
-57 + 19y = 76 + -7y + 7y

Combine like terms: -7y + 7y = 0
-57 + 19y = 76 + 0
-57 + 19y = 76

Add '57' to each side of the equation.
-57 + 57 + 19y = 76 + 57

Combine like terms: -57 + 57 = 0
0 + 19y = 76 + 57
19y = 76 + 57

Combine like terms: 76 + 57 = 133
19y = 133

Divide each side by '19'.
y = 7

Simplifying
y = 7

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