.6X+3=3X+21

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Solution for .6X+3=3X+21 equation:


Simplifying
0.6X + 3 = 3X + 21

Reorder the terms:
3 + 0.6X = 3X + 21

Reorder the terms:
3 + 0.6X = 21 + 3X

Solving
3 + 0.6X = 21 + 3X

Solving for variable 'X'.

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

Add '-3X' to each side of the equation.
3 + 0.6X + -3X = 21 + 3X + -3X

Combine like terms: 0.6X + -3X = -2.4X
3 + -2.4X = 21 + 3X + -3X

Combine like terms: 3X + -3X = 0
3 + -2.4X = 21 + 0
3 + -2.4X = 21

Add '-3' to each side of the equation.
3 + -3 + -2.4X = 21 + -3

Combine like terms: 3 + -3 = 0
0 + -2.4X = 21 + -3
-2.4X = 21 + -3

Combine like terms: 21 + -3 = 18
-2.4X = 18

Divide each side by '-2.4'.
X = -7.5

Simplifying
X = -7.5

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