7-21x=7

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Solution for 7-21x=7 equation: 


Simplifying
7 + -21x = 7

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

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

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

Solving
-21x = 0

Solving for variable 'x'.

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

Divide each side by '-21'.
x = 0

Simplifying
x = 0

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