3x-4=9x+28
Subtract 9x from both sides of the equation.
3x-4-9x=28
Subtract 9x from 3x.
-6x-4=28
-6x-4=28
Add 4 to both sides of the equation.
-6x=28+4
Add 28 and 4.
-6x=32
-6x=32
Divide each term in -6x=32 by -6.
-6x-6=32-6
Cancel the common factor of -6.
Cancel the common factor.
-6x-6=32-6
Divide x by 1.
x=32-6
x=32-6
Simplify 32-6.
Cancel the common factor of 32 and -6.
Factor 2 out of 32.
x=2(16)-6
Cancel the common factors.
Factor 2 out of -6.
x=2⋅162⋅-3
Cancel the common factor.
x=2⋅162⋅-3
Rewrite the expression.
x=16-3
x=16-3
x=16-3
Move the negative in front of the fraction.
x=-163
x=-163
x=-163
The result can be shown in multiple forms.
Exact Form:
x=-163
Decimal Form:
x=-5.3‾
Mixed Number Form:
x=-513
Solve for x 3x-4=9x+28