6=7x-21

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Solution for 6=7x-21 equation:


Simplifying
6 = 7x + -21

Reorder the terms:
6 = -21 + 7x

Solving
6 = -21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
6 + -7x = -21 + 7x + -7x

Combine like terms: 7x + -7x = 0
6 + -7x = -21 + 0
6 + -7x = -21

Add '-6' to each side of the equation.
6 + -6 + -7x = -21 + -6

Combine like terms: 6 + -6 = 0
0 + -7x = -21 + -6
-7x = -21 + -6

Combine like terms: -21 + -6 = -27
-7x = -27

Divide each side by '-7'.
x = 3.857142857

Simplifying
x = 3.857142857

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