x-3=7x+9

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


Simplifying
x + -3 = 7x + 9

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

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

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

Combine like terms: x + -7x = -6x
-3 + -6x = 9 + 7x + -7x

Combine like terms: 7x + -7x = 0
-3 + -6x = 9 + 0
-3 + -6x = 9

Add '3' to each side of the equation.
-3 + 3 + -6x = 9 + 3

Combine like terms: -3 + 3 = 0
0 + -6x = 9 + 3
-6x = 9 + 3

Combine like terms: 9 + 3 = 12
-6x = 12

Divide each side by '-6'.
x = -2

Simplifying
x = -2

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