3+x=9x+13

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Solution for 3+x=9x+13 equation:


Simplifying
3 + x = 9x + 13

Reorder the terms:
3 + x = 13 + 9x

Solving
3 + x = 13 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
3 + x + -9x = 13 + 9x + -9x

Combine like terms: x + -9x = -8x
3 + -8x = 13 + 9x + -9x

Combine like terms: 9x + -9x = 0
3 + -8x = 13 + 0
3 + -8x = 13

Add '-3' to each side of the equation.
3 + -3 + -8x = 13 + -3

Combine like terms: 3 + -3 = 0
0 + -8x = 13 + -3
-8x = 13 + -3

Combine like terms: 13 + -3 = 10
-8x = 10

Divide each side by '-8'.
x = -1.25

Simplifying
x = -1.25

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