21-x=1+6x

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Solution for 21-x=1+6x equation:


Simplifying
21 + -1x = 1 + 6x

Solving
21 + -1x = 1 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
21 + -1x + -6x = 1 + 6x + -6x

Combine like terms: -1x + -6x = -7x
21 + -7x = 1 + 6x + -6x

Combine like terms: 6x + -6x = 0
21 + -7x = 1 + 0
21 + -7x = 1

Add '-21' to each side of the equation.
21 + -21 + -7x = 1 + -21

Combine like terms: 21 + -21 = 0
0 + -7x = 1 + -21
-7x = 1 + -21

Combine like terms: 1 + -21 = -20
-7x = -20

Divide each side by '-7'.
x = 2.857142857

Simplifying
x = 2.857142857

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