7x-21=-13+6x

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Solution for 7x-21=-13+6x equation:


Simplifying
7x + -21 = -13 + 6x

Reorder the terms:
-21 + 7x = -13 + 6x

Solving
-21 + 7x = -13 + 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 + 7x + -6x = -13 + 6x + -6x

Combine like terms: 7x + -6x = 1x
-21 + 1x = -13 + 6x + -6x

Combine like terms: 6x + -6x = 0
-21 + 1x = -13 + 0
-21 + 1x = -13

Add '21' to each side of the equation.
-21 + 21 + 1x = -13 + 21

Combine like terms: -21 + 21 = 0
0 + 1x = -13 + 21
1x = -13 + 21

Combine like terms: -13 + 21 = 8
1x = 8

Divide each side by '1'.
x = 8

Simplifying
x = 8

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