30+y=7

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Solution for 30+y=7 equation: 


Simplifying
30 + y = 7

Solving
30 + y = 7

Solving for variable 'y'.

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

Add '-30' to each side of the equation.
30 + -30 + y = 7 + -30

Combine like terms: 30 + -30 = 0
0 + y = 7 + -30
y = 7 + -30

Combine like terms: 7 + -30 = -23
y = -23

Simplifying
y = -23

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