y+30=100

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Solution for y+30=100 equation: 


Simplifying
y + 30 = 100

Reorder the terms:
30 + y = 100

Solving
30 + y = 100

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 = 100 + -30

Combine like terms: 30 + -30 = 0
0 + y = 100 + -30
y = 100 + -30

Combine like terms: 100 + -30 = 70
y = 70

Simplifying
y = 70

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