6X-4=21+X

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Solution for 6X-4=21+X equation:


Simplifying
6X + -4 = 21 + X

Reorder the terms:
-4 + 6X = 21 + X

Solving
-4 + 6X = 21 + X

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.
-4 + 6X + -1X = 21 + X + -1X

Combine like terms: 6X + -1X = 5X
-4 + 5X = 21 + X + -1X

Combine like terms: X + -1X = 0
-4 + 5X = 21 + 0
-4 + 5X = 21

Add '4' to each side of the equation.
-4 + 4 + 5X = 21 + 4

Combine like terms: -4 + 4 = 0
0 + 5X = 21 + 4
5X = 21 + 4

Combine like terms: 21 + 4 = 25
5X = 25

Divide each side by '5'.
X = 5

Simplifying
X = 5

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