28-7=7xX

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Solution for 28-7=7xX equation:


Simplifying
28 + -7 = 7xX

Combine like terms: 28 + -7 = 21
21 = 7xX

Solving
21 = 7xX

Solving for variable 'x'.

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

Add '-7xX' to each side of the equation.
21 + -7xX = 7xX + -7xX

Combine like terms: 7xX + -7xX = 0
21 + -7xX = 0

Add '-21' to each side of the equation.
21 + -21 + -7xX = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -7xX = 0 + -21
-7xX = 0 + -21

Combine like terms: 0 + -21 = -21
-7xX = -21

Divide each side by '-7X'.
x = 3X-1

Simplifying
x = 3X-1

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