X-3X-4=-7X+9

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Solution for X-3X-4=-7X+9 equation:


Simplifying
X + -3X + -4 = -7X + 9

Reorder the terms:
-4 + X + -3X = -7X + 9

Combine like terms: X + -3X = -2X
-4 + -2X = -7X + 9

Reorder the terms:
-4 + -2X = 9 + -7X

Solving
-4 + -2X = 9 + -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.
-4 + -2X + 7X = 9 + -7X + 7X

Combine like terms: -2X + 7X = 5X
-4 + 5X = 9 + -7X + 7X

Combine like terms: -7X + 7X = 0
-4 + 5X = 9 + 0
-4 + 5X = 9

Add '4' to each side of the equation.
-4 + 4 + 5X = 9 + 4

Combine like terms: -4 + 4 = 0
0 + 5X = 9 + 4
5X = 9 + 4

Combine like terms: 9 + 4 = 13
5X = 13

Divide each side by '5'.
X = 2.6

Simplifying
X = 2.6

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