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3x+25=-18x+45
Use the distributive property to multiply 2x-5 by -9.
3x+25+18x=45
Add 18x to both sides.
21x+25=45
Combine 3x and 18x to get 21x.
21x=45-25
Subtract 25 from both sides.
21x=20
Subtract 25 from 45 to get 20.
x=\frac{20}{21}
Divide both sides by 21.