X-7=-3X+9

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


Simplifying
X + -7 = -3X + 9

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

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

Solving
-7 + X = 9 + -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.
-7 + X + 3X = 9 + -3X + 3X

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

Combine like terms: -3X + 3X = 0
-7 + 4X = 9 + 0
-7 + 4X = 9

Add '7' to each side of the equation.
-7 + 7 + 4X = 9 + 7

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

Combine like terms: 9 + 7 = 16
4X = 16

Divide each side by '4'.
X = 4

Simplifying
X = 4

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