y-8+7=30

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Solution for y-8+7=30 equation: 


Simplifying
y + -8 + 7 = 30

Reorder the terms:
-8 + 7 + y = 30

Combine like terms: -8 + 7 = -1
-1 + y = 30

Solving
-1 + y = 30

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + y = 30 + 1

Combine like terms: -1 + 1 = 0
0 + y = 30 + 1
y = 30 + 1

Combine like terms: 30 + 1 = 31
y = 31

Simplifying
y = 31

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