21+6x=23+7x

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Solution for 21+6x=23+7x equation:


Simplifying
21 + 6x = 23 + 7x

Solving
21 + 6x = 23 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
21 + 6x + -7x = 23 + 7x + -7x

Combine like terms: 6x + -7x = -1x
21 + -1x = 23 + 7x + -7x

Combine like terms: 7x + -7x = 0
21 + -1x = 23 + 0
21 + -1x = 23

Add '-21' to each side of the equation.
21 + -21 + -1x = 23 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 23 + -21
-1x = 23 + -21

Combine like terms: 23 + -21 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

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