7(4-1)-x=y

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Solution for 7(4-1)-x=y equation:


Simplifying
7(4 + -1) + -1x = y

Combine like terms: 4 + -1 = 3
7(3) + -1x = y

Multiply 7 * 3
21 + -1x = y

Solving
21 + -1x = y

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -1x = -21 + y

Combine like terms: 21 + -21 = 0
0 + -1x = -21 + y
-1x = -21 + y

Divide each side by '-1'.
x = 21 + -1y

Simplifying
x = 21 + -1y

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