7y-28=42

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Solution for 7y-28=42 equation: 


Simplifying
7y + -28 = 42

Reorder the terms:
-28 + 7y = 42

Solving
-28 + 7y = 42

Solving for variable 'y'.

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

Add '28' to each side of the equation.
-28 + 28 + 7y = 42 + 28

Combine like terms: -28 + 28 = 0
0 + 7y = 42 + 28
7y = 42 + 28

Combine like terms: 42 + 28 = 70
7y = 70

Divide each side by '7'.
y = 10

Simplifying
y = 10

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