3y+42=297

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Solution for 3y+42=297 equation: 


Simplifying
3y + 42 = 297

Reorder the terms:
42 + 3y = 297

Solving
42 + 3y = 297

Solving for variable 'y'.

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

Add '-42' to each side of the equation.
42 + -42 + 3y = 297 + -42

Combine like terms: 42 + -42 = 0
0 + 3y = 297 + -42
3y = 297 + -42

Combine like terms: 297 + -42 = 255
3y = 255

Divide each side by '3'.
y = 85

Simplifying
y = 85

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