-4=21+6x

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Solution for -4=21+6x equation:


Simplifying
-4 = 21 + 6x

Solving
-4 = 21 + 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.
-4 + -6x = 21 + 6x + -6x

Combine like terms: 6x + -6x = 0
-4 + -6x = 21 + 0
-4 + -6x = 21

Add '4' to each side of the equation.
-4 + 4 + -6x = 21 + 4

Combine like terms: -4 + 4 = 0
0 + -6x = 21 + 4
-6x = 21 + 4

Combine like terms: 21 + 4 = 25
-6x = 25

Divide each side by '-6'.
x = -4.166666667

Simplifying
x = -4.166666667

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