7x-2=-21

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Solution for 7x-2=-21 equation: 


Simplifying
7x + -2 = -21

Reorder the terms:
-2 + 7x = -21

Solving
-2 + 7x = -21

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 7x = -21 + 2

Combine like terms: -2 + 2 = 0
0 + 7x = -21 + 2
7x = -21 + 2

Combine like terms: -21 + 2 = -19
7x = -19

Divide each side by '7'.
x = -2.714285714

Simplifying
x = -2.714285714

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