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-9\left(x+5\right)=2\left(3x-10\right)
Multiply both sides of the equation by 90, the least common multiple of 10,45.
-9x-45=2\left(3x-10\right)
Use the distributive property to multiply -9 by x+5.
-9x-45=6x-20
Use the distributive property to multiply 2 by 3x-10.
-9x-45-6x=-20
Subtract 6x from both sides.
-15x-45=-20
Combine -9x and -6x to get -15x.
-15x=-20+45
Add 45 to both sides.
-15x=25
Add -20 and 45 to get 25.
x=\frac{25}{-15}
Divide both sides by -15.
x=-\frac{5}{3}
Reduce the fraction \frac{25}{-15} to lowest terms by extracting and canceling out 5.