Solve for x
x = \frac{10}{9} = 1\frac{1}{9} \approx 1.111111111
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12x-1+x=4x+9
Multiply both sides of the equation by 6.
13x-1=4x+9
Combine 12x and x to get 13x.
13x-1-4x=9
Subtract 4x from both sides.
9x-1=9
Combine 13x and -4x to get 9x.
9x=9+1
Add 1 to both sides.
9x=10
Add 9 and 1 to get 10.
x=\frac{10}{9}
Divide both sides by 9.
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