y+7=3x

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Solution for y+7=3x equation: 


Simplifying
y + 7 = 3x

Reorder the terms:
7 + y = 3x

Solving
7 + y = 3x

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + y = -7 + 3x

Combine like terms: 7 + -7 = 0
0 + y = -7 + 3x
y = -7 + 3x

Simplifying
y = -7 + 3x

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