7-21=7x-3-6x

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Solution for 7-21=7x-3-6x equation:


Simplifying
7 + -21 = 7x + -3 + -6x

Combine like terms: 7 + -21 = -14
-14 = 7x + -3 + -6x

Reorder the terms:
-14 = -3 + 7x + -6x

Combine like terms: 7x + -6x = 1x
-14 = -3 + 1x

Solving
-14 = -3 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-14 + -1x = -3 + 1x + -1x

Combine like terms: 1x + -1x = 0
-14 + -1x = -3 + 0
-14 + -1x = -3

Add '14' to each side of the equation.
-14 + 14 + -1x = -3 + 14

Combine like terms: -14 + 14 = 0
0 + -1x = -3 + 14
-1x = -3 + 14

Combine like terms: -3 + 14 = 11
-1x = 11

Divide each side by '-1'.
x = -11

Simplifying
x = -11

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