7(x-y)=28

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Solution for 7(x-y)=28 equation: 


Simplifying
7(x + -1y) = 28
(x * 7 + -1y * 7) = 28
(7x + -7y) = 28

Solving
7x + -7y = 28

Solving for variable 'x'.

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

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

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

Divide each side by '7'.
x = 4 + y

Simplifying
x = 4 + y

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