=6x+21

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Solution for =6x+21 equation:


Simplifying
0 = 6x + 21

Reorder the terms:
0 = 21 + 6x

Solving
0 = 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.
0 + -6x = 21 + 6x + -6x
Remove the zero:
-6x = 21 + 6x + -6x

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

Divide each side by '-6'.
x = -3.5

Simplifying
x = -3.5

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