12y+18-5(y-4)+8-3y=122

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Solution for 12y+18-5(y-4)+8-3y=122 equation:


Simplifying
12y + 18 + -5(y + -4) + 8 + -3y = 122

Reorder the terms:
12y + 18 + -5(-4 + y) + 8 + -3y = 122
12y + 18 + (-4 * -5 + y * -5) + 8 + -3y = 122
12y + 18 + (20 + -5y) + 8 + -3y = 122

Reorder the terms:
18 + 20 + 8 + 12y + -5y + -3y = 122

Combine like terms: 18 + 20 = 38
38 + 8 + 12y + -5y + -3y = 122

Combine like terms: 38 + 8 = 46
46 + 12y + -5y + -3y = 122

Combine like terms: 12y + -5y = 7y
46 + 7y + -3y = 122

Combine like terms: 7y + -3y = 4y
46 + 4y = 122

Solving
46 + 4y = 122

Solving for variable 'y'.

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

Add '-46' to each side of the equation.
46 + -46 + 4y = 122 + -46

Combine like terms: 46 + -46 = 0
0 + 4y = 122 + -46
4y = 122 + -46

Combine like terms: 122 + -46 = 76
4y = 76

Divide each side by '4'.
y = 19

Simplifying
y = 19

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