3X-2+0.5+X=21-2+X

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Solution for 3X-2+0.5+X=21-2+X equation: 


Simplifying
3X + -2 + 0.5 + X = 21 + -2 + X

Reorder the terms:
-2 + 0.5 + 3X + X = 21 + -2 + X

Combine like terms: -2 + 0.5 = -1.5
-1.5 + 3X + X = 21 + -2 + X

Combine like terms: 3X + X = 4X
-1.5 + 4X = 21 + -2 + X

Combine like terms: 21 + -2 = 19
-1.5 + 4X = 19 + X

Solving
-1.5 + 4X = 19 + 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.
-1.5 + 4X + -1X = 19 + X + -1X

Combine like terms: 4X + -1X = 3X
-1.5 + 3X = 19 + X + -1X

Combine like terms: X + -1X = 0
-1.5 + 3X = 19 + 0
-1.5 + 3X = 19

Add '1.5' to each side of the equation.
-1.5 + 1.5 + 3X = 19 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 3X = 19 + 1.5
3X = 19 + 1.5

Combine like terms: 19 + 1.5 = 20.5
3X = 20.5

Divide each side by '3'.
X = 6.833333333

Simplifying
X = 6.833333333

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