3(7-X)=2X-1

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Solution for 3(7-X)=2X-1 equation:


Simplifying
3(7 + -1X) = 2X + -1
(7 * 3 + -1X * 3) = 2X + -1
(21 + -3X) = 2X + -1

Reorder the terms:
21 + -3X = -1 + 2X

Solving
21 + -3X = -1 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
21 + -3X + -2X = -1 + 2X + -2X

Combine like terms: -3X + -2X = -5X
21 + -5X = -1 + 2X + -2X

Combine like terms: 2X + -2X = 0
21 + -5X = -1 + 0
21 + -5X = -1

Add '-21' to each side of the equation.
21 + -21 + -5X = -1 + -21

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

Combine like terms: -1 + -21 = -22
-5X = -22

Divide each side by '-5'.
X = 4.4

Simplifying
X = 4.4

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